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Overview featured species

Text © K. Reißmann, T. Hörren, M. Stern, F. Bötzl and C. Benisch


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22.04.2016
Biphyllus lunatus (F., 1792)
Biphyllus lunatus
9 
The 3 to 3.3 mm large false skin beetle Biphyllus lunatus (family Biphyllidae) is the only representative of the genus in Germany, which comprises a total of four species in Europe. It is distinguished through a bright, zig-zag-shaped mark on the elytra. The stenotopic, mycetobiont species occurs in North Africa, Southern and Central Europe, in the East to Southern Siberia. The occurrences in Germany, Austria and the Czech Republic are quite scattered and only on the British Isles the species is somewhat more common. It lives and develops on the fungus King Alfred's Cake (Daldinia concentrica), which can be found on dead branches of various deciduous trees, mainly ash. The larvae feed on the mycelium and pupate in the ground. In Germany, recent records are only known from the North Rhine and the species is critically endangered (RL 1). (CB)

15.04.2016
Cicindela maritima Dej., 1822
Cicindela maritima
14 
The 10 to 13 mm large tiger beetle Cicindela maritima (family Carabidae) is one of six representatives of the genus in Germany, which comprises approx. 850 species worldwide. It can be distinguished from the similar C. hybrida by the strongly descending and narrow branch of the central band of the elytra. The psammophilous and halotolerant species occurs from Europe to Asia in littoral habitats (edges of rivers, lakes and shores), in Germany only on the salt-influenced shores of the North Sea and the Baltic Sea. The diurnal beetles and their larvae are predaceous and feed on other insects. In Germany the species is regarded as endangered (RL 2) und is only recorded from Mecklenburg-Western Pomerania, Schleswig-Holstein, the Weser-Ems und the Lower Elbe region. The few occurrences are threatened by tourism and associated leisure activities. (CB)

08.04.2016
Mogulones pallidicornis (Bris., 1860)
Mogulones pallidicornis
12 
In early spring, when the ground of the humid and still defoliate beech forest is covered by blossoming wood anemone and spring fumewort, the inconspicuous blue flowers of the unspotted lungwort (Pulmonaria obscura) can be easily overlooked. Even more rarely, we can observe the tiny weevil Mogulones pallidicornis (family Curculionidae), which develops on unspotted lungwort. It can be found by targeted search in suitable habitats from March to early June, depending on how early the spring starts. Contrary to literature, the beetles can be found throughout the day, not only in the evening on their host plants which exhibit characteristic damage on the leaves caused by the feeding weevils. Mogules pallidicornis occurs from Central Europe to Siberia and from Sweden to Italy. In Germany the occurrences are scattered and the species is regarded as vulnerable (RL 3). (MS)

01.04.2016
Meloe decorus Br.Er., 1832
Meloe decorus
16 
The 12 to 20 mm large blister beetle Meloe decorus (family Meloidae) is one of currently ten reported representatives of the genus in Germany. Worldwide the genus comprises more than 150 species in 16 subgenera. Meloe decorus is of eastern palearctic distribution and does also occur in the Middle East and a few European countries from eastern France to the Balkan Peninsula. The stenotopic, thermophilous species lives on warm slopes, in quarries and sand pits, as well as levees from the lowlands to the colline zone. The adults feed on various plants. They show a complex courtship behavior, in which the male stimulates the female with fast movements of the antenna and the abdomen. The larvae develop in the nests of wild bee species, especially Andrena. In Germany Meloe decorus is limited to a few Federal States and is considered critically endangered (RL 1). (CB)

25.03.2016
Phytobaenus amabilis Sahlb., 1834
Phytobaenus amabilis
8 
The 2 to 2.8 mm large antlike leaf beetle Phytobaenus amabilis (family Aderidae) is the only member of the monotypic genus Phytobaenus worldwide. The Euro -Siberian species is distributed from Northern and Central Europe to Siberia and Japan. In Central Europe the species is scattered and extremely rare. In Germany it was considered lost (RL 0) for a long time until it was rediscovered in 2008 in the forest Bienwald (Rhineland-Palatinate). Meanwhile a few recent records are known from the Palatinate, Baden and Saxony-Anhalt. The stenotopic, silvicolous species prefers forest edges and clearings in old deciduous forests. The beetles can be found from May to July on old wood and on the vegetation near old trees. Most probably the development takes place in decaying hardwood. (CB)

18.03.2016
Scaphidium quadrimaculatum Ol., 1790
Scaphidium quadrimaculatum
12 
The 5 to 6 mm large rove beetle Scaphidium quadrimaculatum (family Staphylinidae) is the only representatives of the genus in Germany and can be easily recognized. Worldwide the genus Scaphidium comprises over 260 species with their main distribution area being the tropics. Scaphidium quadrimaculatum occurs from southern France through northern and central Europe to the Balkans and reaches the Altai Mountains in the east. The eurytopic, mycetophilous species lives in deciduous and mixed forests, at forest edges and in gardens. The beetles can be found on wood infested with fungi, on dead trees, rotting and fungus-infected twigs on the ground, on bracket fungi and in moss and leaf litter. Probably they feed on fungal mycelium. The adults hibernate. In Germany, the species is reported from all Federal States and is very common. (CB)

11.03.2016
Atholus bimaculatus (L., 1758)
Atholus bimaculatus
9 
The 3.5 to 6 mm large clown beetle Atholus bimaculatus (family Histeridae) is one of the four representatives of the genus in Germany. Worldwide the genus comprises over 70 species. Today Atholus bimaculatus is almost cosmopolitan. Originally from the Palaearctic region, the species is now widespread throughout the Nearctic and there are also records from the Afrotropical and Neotropical region. The eurytopic, stercoricolous species lives in fields, gardens, ruderal sites and in stables. The beetles and their larvae are found in feces, manure and compost heaps, on decaying plant matter. They are also reported from bird nests. The beetles are predators and feed on eggs and larvae of various dipterans. In Germany, the species is known to occur in all Federal States and is everywhere common. (CB)

04.03.2016
Agonum sexpunctatum (L., 1758)
Agonum sexpunctatum
14 
The 7 to 9 mm large ground beetle Agonum sexpunctatum (family Carabidae) is one of the numerous representatives of the genus, which is spread throughout the Holarctic with over 250 species. Agonum sexpunctatum is a western palearctic species of the temperate and boreal zone and is known to occur from Europe to Asia Minor, the Caucasus, Central Asia and Siberia. The eurytopic, moderately hygrophilous species can be found in forests, on the edges of fields, on meadows, bogs, heaths and ruderal sites from the lowlands to the mountain range. They prefer sunny and humid places. The females lay their eggs in summer. After one week, the larvae hatch. The development of the larvae takes 2 - 3 weeks. The beetles hibernate. In Germany Agonum sexpunctatum is present everywhere and mostly common. (CB)

26.02.2016
Rhynchaenus lonicerae (Hbst., 1795)
Rhynchaenus lonicerae
10 
The 2.5 to 3 mm large flea weevil Rhynchaenus lonicerae (family Curculionidae) is one of the numerous representatives of the worldwide present genus Rhynchaenus. Meanwhile, many of the subgenera have been raised to genus status. Rhynchaenus lonicerae is known to occur in Central Europe, in the east to Slovakia, as well as disjunctive in Finland and in the Urals. The stenotopic, silvicolous species lives in sparse deciduous forests and at the edges of forests. It develops on Red Honeysuckle (Lonicera xylosteum). Egg deposition takes place in early spring. The larva develops in leaf mines and pupates in a cocoon. The beetle hibernates as imago. In Germany, the species is scattered and rare and is limited to the south and east. It is regarded as endangered (RL 3). (CB)

19.02.2016
Sclerophaedon orbicularis (Suffr., 1851)
Sclerophaedon orbicularis
14 
The 3 to 4.5 mm large leaf beetle Sclerophaedon orbicularis (family Chrysomelidae) lives a secluded life, and is not often discovered. The genus Sclerophaedon displays a marked montane distribution and comprises only three species, two of which are present in our fauna. Sclerophaedon orbicularis inhabits cool moist upland valleys of Central Europe and has been recorded in many mountain ranges in Germany. It lives on waterlogged sites such as muddy banks of small forest streams. The species develops on Water Chickweed (Myosoton aquaticum) and Wood Stitchwort (Stellaria nemorum) which grow in such locations. Both beetles and their larvae can be found from May to July. Sclerophaedon orbicularis is not recorded very often, but is not considered endangered. (MS)

12.02.2016
Trinodes hirtus (F., 1781)
Trinodes hirtus
8 
The only 1.5 to 2.5 mm large skin beetle Trinodes hirtus (family Dermestidae) is the only representative of the genus in Germany. Worldwide the genus comprises 15 species, most of them in Asia. Trinodes hirtus is distributed from North Africa over Europe to Asia minor, the Caucasus and Turkmenistan. The eurytopic, araneophilous species lives in hollow trees, under loose bark, on the woodwork and window frames of dilapidated buildings. Both beetles and larvae dwell in and around cobwebs, even when the spider is active. They feed on leftovers of insects in the cobwebs. The larvae hibernate and pupate in May. The adult beetles are active from May to August. In Germany Trinodes hirtus is reported in almost all Federal States, but is considered vulnerable (RL 3). (CB)

05.02.2016
Isorhipis melasoides (Cast., 1835)
Isorhipis melasoides
10 
The 7.8 to 11 mm large false click beetle Isorhipis melasoides (family Eucnemidae) is the more common of the two species of the genus in Germany. Worldwide the genus comprises 18 species. Isorhipis melasoides shows a disjunctive distribution in Europe: In the west from Spain to western Central Europa, in the east from the Balkan to South Austria, with an extinction zone in between. The stenotopic, silvicolous species lives in old deciduous forests. The larvae develop in rotting wood of deciduous trees, mainly beech, occasionally hornbeam, linden, rarely in oak. The adult beetles can be found from end of May to July on the host trees or the vegetation around them as well as on stacks of wood. In Germany, Isorhipis melasoides is known to occur in most Federal States, but is regarded as endangered (RL 2). (CB)

29.01.2016
Tilloidea unifasciata (F., 1787)
Tilloidea unifasciata
8 
The 5 to 8 mm large checkered beetle Tilloidea unifasciata (family Cleridae) is the only representative of the genus in Germany, which comprises five species in the Palearctic. Tilloidea unifasciata is known to occur in in Europe, Asia minor, Iran and reaches India in the east. The beetles live in sparse deciduous forests, at sun-exposed edges of forests and in vineyards. They can be found on rotting wood, infested by other insects, mainly oak, but also vine wood. Both the beetles and their larvae prey on saproxylic beetles and their larvae. In Germany the thermophilous species is missing in the northern Federal States. Their populations are often scattered, rare and are regarded as endangered (RL 2). Consequently, Tilloidea unifasciata is not recorded particularly often. (CB)

22.01.2016
Axinotarsus marginalis (Cast., 1840)
Axinotarsus marginalis
6 
The 3 to 4 mm large soft-winged flower beetle Axinotarsus marginalis (family Malachiidae) is one of three representatives of the genus in Germany. In the Palearctic the genus comprises more than 30 species. A. marginalis can be distinguished from its similar sister species A. pulicarius by the at least partially yellow front and middle tibiae, which are completely black in A. pulicarius. The eurytopic, graminaceicolous species lives in Central and Southern Europa and reaches the Caucasus in the east. It can be found at the edges of forests, on glades, in floodplains and on heathland. The larva is predaceous and develops in rotten wood, whereas the beetles dwell on flowering grasses, where they feed on pollen. In Germany, Axinotarsus marginalis is recorded from all Federal States and is not regarded as endangered. (CB)

15.01.2016
Plectophloeus nitidus (Fairm., 1857)
Plectophloeus nitidus
5 
The 1.3 to 1.5 mm large short-winged mold beetle Plectophloeus nitidus (family Pselaphidae) is one of six representatives of the genus in Germany. In the Western Palearctic the genus comprises 12 species. Plectophloeus nitidus is known to occur in Western, Central and Southeast Europe. In the North it reaches the British Isles, Denmark and South Sweden. The stenotopic, hygrophilous and silvicolous species lives in deciduous forests, parks and floodplains in moist, rotting wood (red-rotten oak wood seems to be preferred), also in wood detritus, under bark and in rotting brushwood. Often they live close to ants of genus Lasius. They feed on other small insects and mites. In the German fauna they are among the more common Plectophloeus species with records from many Federal States. They are not regarded as endangered. (CB)

08.01.2016
Euconnus rutilipennis (Müll.Kunze, 1822)
Euconnus rutilipennis
5 
The only 1.9 to 2.1 mm large antlike stone beetle Euconnus rutilipennis (family Scydmaenidae) is one of twelve representatives of the genus in Germany. Worldwide, the speciose genus comprises more than 2500 species in all biogeographic ecozones. Euconnus rutilipennis is known to occur from the southern part of Northern Europe over Central Europa to the northern part of South Europe and the Balkan Peninsula. The stenotopic, hygrophilous and paludicolous species lives in swamps, at the edges of swampy stagnant waters under leaf litter, detritus as well as in bogs on peat moss (Sphagnum). The species is missing in the mountain range. Like most representatives of the genus, the beetles feed on mites. In Germany, Euconnus rutilipennis is recorded from many Federal States and is not endangered. (CB)

01.01.2016
Berosus signaticollis (Charp., 1825)
Berosus signaticollis
2 
The 5 to 6.4 mm large water scavenger beetle Berosus signaticollis (family Hydrophilidae) is one of six representatives of the genus in Germany. Worldwide the genus comprises more than 260 species. Berosus signaticollis is known to occur in South and Central Europe including the British Isles. The stenotopic, tyrphobiont species lives in bog ponds and sun exposed tarns. With the conspicuous black doubled mark on the disc of the pronotum is can be relatively easily recognized among the otherwise rather difficult species. The beetles can breathe under water by absorbing oxygen through their body surface. The larvae feed and small water-dwelling insects and crustaceans. In Germany, Berosus signaticollis is recorded from all Federal States and is not endangered, but becomes rarer towards the North. (CB)

25.12.2015
Ophonus rufibarbis (F., 1792)
Ophonus rufibarbis
3 
The 6 to 9.1 mm large ground beetle Ophonus rufibarbis (family Carabidae) belongs to the genus Ophonus, which comprises 16 species in Germany and approximately 70 species in the Palearctic. Ophonus rufibarbis is known to occur in Northwest Africa, Europe, the Caucasus, Central and South Russia, Asia minor, Central Asia and West Siberia. It has been introduced to North America. The eurytopic, xerophilous species lives on dry fields and ruderal sites, on sandy river banks, in sand and gravel pits and in sparse deciduous forests from the lowlands to the mountain range. Ophonus rufibarbis is phytophagous. The beetles can be found in tufts of grass and decaying plant matter. The beetles are nocturnal and capable of flight. In Germany Ophonus rufibarbis is widespread and not endangered. (CB)

18.12.2015
Amalus scortillum (Hbst., 1795)
Amalus scortillum
6 
The 1.7 to 2.1 mm large weevil Amalus scortillum (family Curculionidae) is the only representative of the monotypic genus worldwide. The species is of palearctic distribution and has been introduced to North America. Some authors consider it a holarctic species. The beetles and their larvae live on birdweed (Polygonum aviculare), occasionally on sorrels (Rumex). The stenotopic, xerophilous and halotolerant species can be found on sandy soil, e.g. ruderal sites, boundary ridges, riverbanks and slopes, in sandpits and at the edges of forests. The females lay their eggs in April and May. The larvae feed on the roots and root collars of their host plant and pupate in the soil. In Germany, Amalus scortillum is present in all Federal States, but is not particularly often recorded. It is not regarded as endangered. (CB)

11.12.2015
Chrysolina americana (L., 1758)
Chrysolina americana
6 
The 6 to 8 mm large Rosemary beetle Chrysolina americana (family Chrysomelidae) originates from the Mediterranean region despite its scientific name. It belongs to the speciose genus Chrysolina, which comprises about 450 species, the majority of the in the Palearctic. The stenotopic, xerothermophilous species has been introduced over the last years in several European countries und is meanwhile established on the British Isles. In Germany, it is still regarded as not firmly established. Both the beetles and their larvae live on various Lamiaceae, especially rosemary (Rosmarinus), lavender (Lavandula), thyme (Thymus) and sage (Salvia). They feed on the new shoot tips of their host plant and cause them to die. The larvae pupate in the soil. They are regarded as a pest in commercial herbs cultivation. (CB)

04.12.2015
Triplax russica (L., 1758)
Triplax russica
3 
The 4.5 to 6.5 mm large pleasing fungus beetle Triplax russica (family Erotylidae) is one of 17 representatives of the genus in Europe. Worldwide the genus Triplax comprises about 100 species. In our fauna Triplax russica is relatively easily recognized by its size and parallel build and its black, clubbed antennae. Triplax russica ranges from North Africa over Europa (up to the far North) to the Caucasus. In Southern Europe it prefers the mountain range. The eurytopic, mycetobiont species inhabits deciduous forests and lives polyphagous on various bracket fungi (Meripilus, Pleurotus, Phellinus, Inonotus, Fomes, Fomitopsis, Polyporus) on deciduous trees, mainly beech. Larval development takes place in the bracket fungi. The larva dug themselves into the soil for pupation. The new generation hatches in July. In Germany, Triplax russica is widespread and common. (CB)

27.11.2015
Dermestes lardarius L., 1758
Dermestes lardarius
3 
The 7 to 9.5 mm large Larder beetle Dermestes lardarius (family Dermestidae) is among the easily recognizable species of the genus, thanks to the conspicuous hairy yellow band at the basal third of the elytra. Originating from Eurasia, the species is a cosmopolitan today and is regarded as hemerophile. In stores and households, both the beetles and their larvae feed on various animal products, including bacon, ham, cheese, noodles, but also stuffed animals, insect collections, leather and fur. Under ideal conditions (25 °C, 65% humidity), they can produce up to six generations per year. In Central Europa, under outdoor conditions it is usually one or two. The species is regarded both as a hygiene pest, but the larvae can also create structural damage to construction materials. In Germany, Dermestes lardarius is everywhere present and common. (CB)

20.11.2015
Ischnodes sanguinicollis (Panz., 1793)
Ischnodes sanguinicollis
4 
The 8.5 to 11 mm large click beetle Ischnodes sanguinicollis (family Elateridae) is the only representative of the genus in Europe. It is known to occur in Southern, Western and Central Europe (including the British Isles), in the East in Asia minor, the Caucasus and Siberia. The stenotopic, silvicolous species is counted among the so called Urwald relict species und lives in old deciduous forests. The larva develops in tree hollows at the foot of trees, mainly oak and beech, with a large filling of wood detritus formed by the activity of other insects. The larva is predaceous and feeds on other insect larvae. For pupation it attaches itself to small pieces of wood in the detritus. The beetles swarm during the afternoon hours on warm day starting end of April. In Germany, Ischnodes sanguinicollis is very rare and is regarded as critically endangered (RL 1). (CB)

13.11.2015
Cantharis lateralis L., 1758
Cantharis lateralis
3 
The 5 to 7 mm large soldier beetle Cantharis lateralis (family Cantharidae) is one of 24 representatives of the genus in Germany. In Europe the genus comprises around 80 species. In our fauna, Cantharis lateralis can be distinguished from similar species by the double pubescence and the yellow margin of the elytra. Its distribution stretches from North Africa over Europe, Asia minor and the Caucasus to Kazakhstan, Kyrgyzstan and Afghanistan. The eurytopic species inhabits the edges of ponds and rivers and wet, boggy meadows. They can be found on flower umbels and low vegetation. The beetles prey on other insects but also feed on pollen. In Germany, Cantharis lateralis is recorded from all Federal States and is not endangered. (CB)

06.11.2015
Acylophorus wagenschieberi Kiesw., 1850
Acylophorus wagenschieberi
4 
The 7 to 9 mm large rove beetle Acylophorus wagenschieberi (family Staphylinidae) is one of only two representatives of the genus in Germany, which are easily recognized by a prolonged scape and the geniculate antennae. Acylophorus wagenschieberi is known to occur from the southern part of Northern Europe over Central Europe to Siberia. The stenotopic, tyrphobiont species is a typical inhabitant of raised and transitional bogs, which lives on wet peat moss (Sphagnum) and requires a constant, high water level. Larval development takes place in June and July. The generation appears end of July and is active until October, before it seeks a suitable wintering ground and hibernates. Due to declining habitats the species has become rare in Germany and is regarded as vulnerable (RL 3). (CB)


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