Entemology Test One
Terms in this set (93)
3 body regions of an insect
head, thorax, abdomen
What body parts are associated with an insects head?
Eyes, Antennae, Mouthparts
What body parts are associated with an insects thorax?
Legs and wings
What body parts are associated with an insects abdomen?
Genitalia and other structures
Term(s) for the front/ toward the head of the insect?
Term(s) for the back /towards the rear of the insect?
Term(s) for the side of the insect? (Could mean side of head, thorax, abdomen etc)
Term(s) for the middle of the insect?
Term(s) for the top/the back of the insect?
Term(s) for the bottom/ belly of the insect?
Term(s) for the tips/ away from the body of the insect?
Term(s) for close to the body of the insect/ toward the base?
What are ocelli?
What does multiarticulate mean?
Able to bend at more than one point?
Thread-like antennae with uniform segments
End segments of antennae are gradually or suddenly enlarged.
End segments of antennae enlarged/ fan out
Fan or leaf-like antennae
Type of antennae with lots of thin hairs radiating outward on antennae
Plumose, Feather-like antennae
Type of antennae the quickly bend (ex:bee)
Bent or elbowed
Short antennae (ex: dragonfly)
Antenna has single bristle protruding from the last segment that is enlarged
Example of insect with antennae concealed in grooves
The area between an insects eyes where ocelli sit
Term for connected eyes/ no gap between eyes
Term for eyes with a gap in the middle
5 parts of an insects mouth
Labrum, Mandibles. Hypopharynx, Maxillae, Labium
The upper lip of an insect
"Jaws" of an insect
Tongue like structure of an insect
Part of insects mouth used to handle/manipulate food
Lower lip of insect
Leg like structures that can be on the maxilla of labium
maxillary/ labial palp
General term for elongated mouthparts
Facial extension that has the mouthparts at the end
Type of proboscis that does not penetrate into host
Type of proboscis that penetrates host (ex: mosquito)
Piercing: sucking proboscis
Needle like mouthpart of mosquito
Tube-like sucking mouthparts, mostly used in reference to mouthparts of blood sucking flies
Non-invasive sucking mouthpart of insect
Mouthpart directed back at rest
Mouthparts directed forward
Mouthparts directed downward
Meaning highly reduced/ non functional
Head cone shaped
Head directed ventrally or posteriorly
3 parts of the thorax (in order anterior to posterior)
Prothorax, Mesothorax, Metathorax
The fore wings are contained in the _________thorax
The hind wings are contained in the _______thorax
Top of the thorax
side of the thorax
Bottom of the thorax
Where would the pronotum be on an insect?
The first part of the thorax on the top of the insect
Where would the mesopleuron be on an insect?
The middle portion of the thorax on the side
Where would the metasternum be located on an insect?
The last section of the thorax on the bottom (belly side)
6 parts of the leg starting proximal and ending apical
coxa, trochanter, femur, tibia, tarsus, tarsal claw
How many legs do insects have and where are they located
6 legs, there are two legs per thoratic section
Foot of an insect
What modification allows insects to walk on water?
Tarsi are long and have hairs that repel water
Swimming insect legs
Long, oar like setae and a non conspicuous tarsal claw
Large prothoratic legs with large claws are used for?
Enlarged femur on metathoratic leg is used for?
Legs/arms with opposable spines (used for grasping) are called?
Globular Tarsal segment
What is a pollen basket?
Specialized area in hind tibia for storing pollen
Fleshy non jointed legs on abdomen
Small hooks on bottom of prolegs
Halteres, where are they found
Highly modified wings used for balance rather than flight. Usually are club- shaped structures; found on the metathorax.
Halteres are only seen in which insect?
twisted wing parasite
Club shaped mesothoractic wings and fan-shaped hind wings
Bare wings, minimal hairs are called?
Parchment like wings, leathery thickened forewings
Wings are considered short if at rest there are __________ abdominal segments showing
Forewing thickened at the base and membranous at the tip
6 types of lateral wing veins (in order from anterior to posterior)
Costa, subcosta,radius, media, cubitus, anals
Veins intersecting lateral veins in the wings
Spot on the wing
When veins split in two at the end it is called?
Netlike or meshlike veins are called?
Highly reduced/ non functional wings
The abdomen can be ____________ jointed to the thorax or ____________ _________________ to the thorax
broadly, strongly constricted
The abdomen of an insect can have up to _______ segments, but never more
Female genetalia used to deposit eggs
A stinger is?
A modified ovipositor
Hairy structures on abdomen
Paired unsegmented appendages on abdomen. (look pointy)
Looks like an extra leg in the middle of the abdomen on the belly
medial unpaired appendages
Hollow tubes that secrete defensive substance.
They project from the _________ side of the body
Non-reproductive structures at the tip of the abdomen