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Glossary of entomology terms


A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z  


 A
abdomenthird (posterior) major division of the insect body
aberrationa form that departs in some striking way from the normal type; either single or occurring rarely, at irregular intervals
acrodendricliving in tree tops
adultthe stage when an insect is sexually mature and ready to reproduce normally
aedeagusmale copulatory organ
Alaethe membranous wings
alatewinged, having wings
allopatrictwo or more forms of a species having essentially separate distributions
alpineclimate zone 2000 - 3000 m, montane grasslands and shrublands. Mountain Pine or Mugo Pine (Pinus mugo) limit
antennapaired, segmented sensory appendages
anteriorconcerning of facing the front, towards the head
apicalat or towards the apex
apterouswithout wings
arborealliving in, on or among trees
aridapplied to regions in which the normal rainfall is insufficient to produce ordinary farm crops without irrigation, and in which desert conditions prevail
aroliumpretarsal pad-like structure
Australisecozone including Australia and Tasmania
autochthonicoriginating where found; indigenous

 B
basalat or towards the base, closer to the point of attachment
binominal nomenclatureformal system of naming species, devloped by Carl Linnaeus
bivoltinehaving two generations per year
borealfrom or belonging to the north, faunal region with cool, wet summers and cold winters
boreoalpineoccurring in the boreal forest zone as well as in the Alps
brachypteroushaving shortened wings

 C
carnivorouspreying or feeding on animals
caudalat or towards the end
cavernicolousliving in caves
cf.(lat. confer, compare, consult) indicates that a species needs to be seen in context of its comparison to another, but by definition is not confirmed as the same
chitinbiopolymer (polysaccharide, closely related to cellulose), major component of the arthropod cuticle
clypeuspart of the insect head between labrum and frons
Coleopteraorder beetles
coleopterologythe branch of entomology that studies beetles
colinclimate zone 150-450 m, oak limit (Quercus spp.); European Beech (Fagus sylvatica), Sessile oak (Quercus petraea), Pedunculate oak or English oak (Quercus robur)
coll.specimen in the collection of
commensalismsymbiosis, two or more species living together such that one benefits but neither loses fitness
compound eyean eye consisting of many individual elements each of which is externally represented by a facet
coprophagousfeeding on dung or excrement
coprophilousliving or growing on excrement
copulathe act of sexual union
copulationthe act of sexual union
corticolousgrowing or living on tree bark
cosmopolitanoccuring throughout most of the world
coxathe proximal (basal) leg segment
cuticleexternal skeletal structure of the insect

 D
det.(lat. determinavit) determined by
dimorphisma difference in size, form, or color, between individuals of the same species
disjuncttwo closely related taxa are widely separated geographically
distalreferring to the part of an appendage that is farthest from the body
diurnalactive at daytime
dorsalon the upper surface

 E
ectoparasitea parasite that lives on the outside of its host
elytron, elytramodified, hardened forewing of the beetles
endemicrestricted to a well defined geographical region
endoparasitea parasite that lives internally (inside its host)
entomologythe branch of Zoology that deals with insects and, specifically, the Hexapods
eurytopicable to adapt to a wide range of environmental conditions; widely distributed
eutrophicwaters rich in mineral and organic nutrients that promote a proliferation of plant life, especially algae
exuviathe cast-off outer skin of an insect or other arthropod

 F
femurthe third segment of the insect leg, following coxa and trochanter
fertilecapable of initiating, sustaining, or supporting reproduction
fossilextinct in the Pleistocene (the previous geological period) or before
fossorialdigging or adapted to digging
frontalreferring to the front of head or anterior aspect of any part
fungicolousliving in or on fungi

 G
glabrouswithout hairs
granivorousfeeding on grain and seeds

 H
habitatthe region or place which an insect inhabits or where it was taken
habitusbody-build, general appearance
halobiontan organism that lives or grows in a salty environment
halophilicspecies living in salt marshes, or near the sea
halotolerantadapted to conditions of high salinity without being dependent of them
heliophilicattraction or adaptation to sunlight
hemimetaboloushaving an incomplete metamorphosis, with no pupal stage in the life history
hemolymphthe blood plasma or liquid part of the blood, though generally synonymous for blood of insects
holarcticecozone referring to North America, Europe, Northern Africa and Eurasia
holomediterraneanthe entire Mediterranean region
holometaboloushaving a complete metamorphosis, with larval and pupal stages in the life history
holotypea single specimen selected by the author of a species as its type, or the only specimen known at the time of description
hostthe organism in or on which a parasite lives; the plant on which an insect or other arthropod feeds
hybridthe progeny from the mating of two species
hydrophilichaving an affinity for water; living in water
hygrophilousmoisture loving
hypermetamorphosea type of life history in which the larvae adopts 2 or more distinct forms during its development
hypogaeicliving primarily underground

 I
imagothe adult insect
immaturenot fully grown or developed
indet.indeterminate, indeterminable
interspecificarising or occurring between species
intraspecificarising or occurring within a species
invasive speciesnon-indigenous species that adversely affect the habitats they invade

 J

 K
kleptoparasitea "thief parasite," an organism that gets food by stealing it from another organism that it lives in close association with, possibly in the way of killing the brood to reach their broodsubstrate

 L
labiumlower lip
labrumupper lip
lateralconcerning the sides
lectotypesingle specimen selected from among the syntypes to serve as the only name-bearing type specimen
leg.(lat. legit, has collected) found/caught by
lignicolousgrowing or living on or in wood
locus typicustype locality, place where a type was found

 M
macropterouslong or large winged
mandiblethe jaws, jaw-like in biting and chewing insects
maxillasecond (lower) pair of jaws
medialtowards the middle
mesophilicregarding temperature and humidity the medium conditions are preferred, avoids extremes
mesothoraxthe second segment of the thorax
metamorphosischange in the body form larval stage to adult
metathoraxthird and last segment of the thorax
microcavernicolousliving in small cavities, like burrows and warrens
mimesisresemblance to an inedible object in the environment
mimicryresemblance to a harmful or impalatable species
monophagouseating only one kind of food (usually plants)
montane800 - 1600 m , rye and wheat crop limit
morphologythe branch of biology that deals with the form and structure of organisms without consideration of function
multivoltineproducing several broods in a single season
myrmecophilousant-loving: applied to insects that live in ant nests

 N
Nearcticecozone including most of North America
necrophagouseating dead and decaying animals
nectarivorousfeeding on nectar
Neotropicecozone including Central and South America
neotypea specimen later selected to serve as the single type specimen when an original holotype has been lost or destroyed, or where the original author never cited a specimen
nidicoloussharing the nest of another species of animal
nivalclimate zone above 3000 m, alpine desert, permafrost and above snow line
nocturnalactive at night

 O
ocellussimple eye consisting of a simple beadlike lens
oligophagousfeeding on a restricted range of food substances, especially a limited number of plants
omnivorousa general feeder upon animal or vegetable food, or both
ovipositorthe organ used for laying eggs

 P
Palaearcticecozone including Eurasia and North Africa
Palaetropicarea of the tropical and subtropical regions of the Old World, including almost the whole of Africa, India and Southeast Asia
parapatricreferring to organisms whose ranges do not significantly overlap but are immediately adjacent to each other
parasitean organism that lives at the expense of another usually without killig ist host
parasitoidan organism that lives at the expense of another an finally killing its host
paratypeany additional specimen listed in the type series, where the original description designated a holotype
parthenogensisa form of reproduction in which eggs develop normally without being fertilised
petricolousinhabiting rocks
pheromonea chemical used in the communication between individuals of the same species (used e.g. for aggregation, alarm, courtship, sex attraction, trailmarking)
phoresisthe usage by one animal of another soley as a means of transport, i.e. certain mites on various other insects
phyllophagousfeeding upon leaf tissue
phytophagouseating plants
planarclimate zone under 150 m
polyphagouseating many kinds of food
ponto-mediterraneanSouth-East Europe around the Mediterranean
populationall the organisms that constitute a specific group or occur in a specified habitat
posteriorconcerning or facing the rear
praticolousliving on meadows
predatoran organism hunting and eating other animals
primary pestan injurious organism that attacks an immaculate substrate and is the leading cause of a damage
pronotumthe upper (dorsal) plate of the prothorax
prothoraxthe first segment of the thorax
proximalconcerning the basal part of an appendage - the part nearest to the body
psammophilousliving in sandy places
pubescentcovered with short, soft hair

 Q

 R
recentof, belonging to, or denoting the Holocene Epoch
rhizophagousfeeding on roots
ripicolousdwelling on river banks: riparian
ruderal areapioneer habitats resulting from human activity

 S
saprophagouseating decaying organisms
scapethe first segment of the antenna
scutellumthe posterior third of the mesonotum
secondary pestan injurious organism capable of damaging only weakend or stressed or already damaged substrates
serratetoothed like a saw
sexual dichromatismsystematic difference in color between individuals of different sex in the same species
sexual dimorphismsystematic difference in form between individuals of different sex in the same species
silvicolousgrowing in or inhabiting woodlands
s.l.(lat. sensu lato) in the wider sense
spermathecaa small sac-like branch of the female reproductive tract of arthropods in which sperm may be stored
sphagnetumplant society characterized by sphagnum
s.str.(lat. sensu stricto) in the stricter sense
stenotopicable to adapt only to a narrow range of environmental conditions
sternitethe ventral piece in a ring or segment
stigmaa spiracle or breathing pore
stridulationthe production of sound by rubbing two ridged surfaces together
subalpine1500 - 2500 m, Scots Pine (Pinus sylvestris), Norway Spruce (Picea abies), Swiss Pine (Pinus cembra, Arve or Zirbel) limit and European Larch (Larix decidua) limit
submontaneclimate zone 450 - 800 m, European Beech (Fagus sylvatica), Silver Fir or European Silver Fir (Abies alba) and Norway Spruce (Picea abies).
subspeciesa well-marked form of a species differing from the type in some character of color or maculation which is recognizable but does not prevent a fertile union
symbiosisa long-lasting, close and dependent relationship between two organisms of different species
sympatricorganisms whose ranges overlap or are even identical, so that they occur together at least in some places
synanthropicassociated with humans or their dwellings
synonymdifferent scientific names that pertain to the same taxon
syntypeany of two or more specimens listed in a species description where a holotype was not designated

 T
t.(lat. teste) reviewed/confirmed by
tarsusthe leg segment distal to the tibia, comprising 1-5 tarsomeres
taxonomythe theory and practice of naming and classifying organisms
tergitethe primary plate or sclerite forming the dorsal surface of any body segment
thanatosisfeigning death
thermophilicapplied to species living in hot places
thoraxthe chest, split into prothorax (anterior chest), mesothorax (middle chest) and metathorax (posterior chest)
tibiathe fourth leg segment, following the femur
triungulinan active, dispersive first-instar larva of insects
trochanterthe second leg segment, following the coxa

 U
ubiquistspecies that is not bound to any particular habitat
univoltinehaving but a single generation a year

 V
ventraltowards or at the lower surface
vicariancethe separation or division of a group of organisms by a geographic barrier, such as a mountain or a body of water, resulting in differentiation of the original group into new varieties or species
vid.(lat. vidit, has seen) seen/reviewed by

 W

 X
xerophilousapplied to species living in dry places
xerothermicboth dry and hot climate or area
xerothermophilousapplied to species living in hot and dry places
xylodetriticolousliving in decayed wood
xylophagouseating wood

 Y

 Z


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