A
Ametabolous:
Without
metamorphosis
Antennae: Sensory
appendages arising from the front of the head
Apterygote:
Wingless
B
Beak: The protruding mouthparts of a piercing-sucking or sucking
insect
Bivoltine:
Having two generations per year
C
Carnivore: Species
that feed on other organisms
Caterpillar: Typically a larva with a conspicuous head, three pairs of
thoracic legs and prolegs
Caudal: Tail or
posterior end of an organism
Caudal Filament: A long, often median, tapering process at the
end of the body
Cercus (cerci):
Appendage on terminal abdominal segment
Collectors: Species
that are detritivores, herbivores or both
Collophore: A tube like structure on the venter of the first abdominal
segment of Collembola
Crochet: Curved hooks
that are found at the terminal end of prolegs
D
Detritus: Dead and
decomposing plant and animal material
Detritivores: Organisms
that feed on detritus
Diapause: A
period of arrested development and reduced metabolic rate, during which growth,
differentiation, and metamorphosis cease (a period of dormancy)
Diatoms:
A unicellular form of algae
E
Ectoparasites:
A parasite that lives on the outside of the host
Endopterygote:
With the wings developing internally: holometabolous insects
F
Filterers: Organisms
that feed on decomposing material, and plant material at the surface
Furcula: The springing structure of Collembola
G
Gatherers: Organisms
that feed on decomposing material and plant material at the bottom of the water
body
Gills: A respiratory
structure through which oxygen is obtained
H
Hemimetabolous:
A type of metamorphosis in which the form of the immature gradually approaches
that of the adult through successive instars
Herbivore: Species
that feed on plant material
Holometabolous:
With
complete metamorphosis
I
Imago: An adult
Instar:
The stage between molts
Intertidal: Coastal
area between low and high tide
L
Larave: The
stages between the egg and pupa of those insects having complete metamorphosis;
the stages between the egg and the adult of those insects not having complete
metamorphosis (also known as nymphs)
Labium: The lower lip
of insects
Lamellae: Leaf like
structure at the terminal end of a damselflies abdomen
Lentic:
Inhabiting still waters such as lakes, ponds or swamps
Lotic:
Inhabiting running waters such as rivers or streams
M
Mandibles: One of the
mouthparts located directly behind the upper lip (sickle shaped) that are used
for ripping and tearing food
Maxillae: Mouthparts
that are located between the mandibles and labium
Metamorphosis:
Change in form during development
N
Nocturnal: Organisms
that are active at night
O
Omnivore: Species
that feed both on plants and other organisms
Oviposit:
To lay eggs
P
Parthenogenesis:
Reproduction without fertilization
Phytophagous:
Feeding on plants
Proboscis:
Tube like or beaklike mouthparts
Prolegs: Stubby,
fleshy appendage that acts like a leg but is not a leg
Pupae: The
relatively inactive, transformation stage between the larva and the adult of
holometabolous insects
S
Scrapers: Herbivorous
insects
Subimago: Winged but
sexually immature stage seen in mayflies
T
Tarsal Claw: Claw
located at the end of the tarsi
Tarsi: The distal most major leg segments
U
Univoltine:
Having one generation per year
V
Venter: The entire under surface of the body
Viviparous:
Bearing living young
W
Watershed: An area of
land from which water drains towards a single channel (stream)
Wing Pads:
A
developing wing
