Hemimetabolous Insects 2 Flashcards
What insects are Plecoptera?
stoneflies
What are immature Plecoptera called, and what environment are they found in?
naiad
found in fast-moving, cool rocky waters
What do stoneflies use rocks for?
crawls onto rocks and hatch as adults
What mouthparts do mature and immature Plecoptera have?
chewing for both, but mature may not feed
How do different species of Plecoptera differ?
they have various modifications to their mouthparts
Why are stoneflies important? (2)
as an aquatic food source
water quality study
What do stoneflies get mistaken for?
damselflies and mayflies
What insects do Pthiraptera include?
lice
How do Phiraptera feed?
host-specific
What are chewing lice called, and what do they feed on?
Mallophaga
feeds on birds- feather, skin, hair, and debris
What is interesting about Mallophaga heads?
it can be as wide as the thorax
Where do Mallophaga lay eggs?
near shaft of feathers
What are sucking lice called, and what do they feed on?
Anoplura
feeds on mammals- blood
How many types of Anoplura is found?
Head, pubic, and body
Where do Anoplura ly eggs?
glues eggs to shaft
What are nits?
Lice eggs glued to hair
What kind of wings do lice have?
secondarily wingless
What is unique about lice eggs?
they are microscopic
How many molting stages do lice go through?
3
How fast do lice eggs mature to adults?
extremely quickly
Where do head lice go after feeding?
remains on body when not feeding
Where do body lice go after feeding?
leaves body
Where are lice eggs laid? (2)
hair
clothing and bedding- allows easy contact to host
Where are crab/pubic lice found?
course body hairs
What kind of wings do Hemiptera possess?
Hemelytron- modified front wings that are partially membrenous
What kind of mouth parts does Hemiptera have?
piercing and sucking mouthparts
What kind of feeding habits do Hempitera have? (3)
phytophagous (plant juice)
predator
parasitic- bed bugs and kissing bugs
Where are Hemiptera found? (2)
various habitat
most are aquatic
What are the 5 bizarre Hemiptera that are hard to be classified?
Aphids
leafhoppers
scales
whiteflies
psyllids
What feeding habits do bizarre Hemiptera have?
phytophagous
What kind of wings do Hemiptera have?
similar front and hind wings
What kind of reproduction system do Aphids have?
parthenogenic
How do Aphids act as pests?
builds population very quickly
What are cornicles, and what do they produce?
tubes at then end of aphid abdomen
secretes the honeydew
What is honeydew?
sugary substance secreted by aphids
How do Aphids have symbiosis with ants?
Ants farm Aphid’s honeydew and protects in return
What are scales?
Insects with waxy secretion
What are whiteflies?
greenhouse pests
