Insecta Flashcards
What are the characteristics of the Insecta family?
three body regions (head, thorax, and abdomen) 2 antennae three pairs of jointed legs 2 pairs of wings 2 compound eyes
What are compound eyes?
small facets which allow insects to see images
What is Ocelli?
simple eyes that detect motion rather than acutual images
What are the types of Mouth parts of the insecta family?
Chewing(cockroaches, grasshoppers, ants)
Sponging mouthparts- tubular, tongue like structure with sponge-top to suck up liquids (flies)
Siphoning mouthparts- long tube for sucking nectar( butterlies)
Piercing-sucking mouthparts-penetrates plant or animal (mosquitoes, lice)
What are the three regions of an Insect?
head, thorax, abdomen
What does the head contain?
one pair of antennae, mouthparts, and two compound eyes- ocelli(simple eyes) may also be present
How many segments in the thorax?
three segments with one pair of jointed legs per segment
Where do the wings attach?
segment two of the thorax
if there is a second set of wings where do they attach and what are they called
segment three and called hind wings
How many segments in the abdomen
can have as many as 11 but 8 or fewer is common
What is in the abdomen?
digestive tract, reproductive system, and other viatal organs including the external genitalia.
What is absolutely essential to know for effective control strategies of insects?
the life cycle
How do most insects reproduce
sexual
What does oviparous mean?
most insect lay eggs
What does parthenogenesis mean?
asexual development from unfertilized egg- common in aphids and scales
