Holometabolous Insects 2 Flashcards
What is a brood?
immature stages of Hymenoptera
What is a grub?
immature stages of Coleoptera
What mouthparts do immature Hymenoptera have?
chewing
What mouthparts do adult Hymenoptera have?
chewing and lapping
What diet do some immature Hymenoptera have?
some are carnivorous
What are examples of beneficial Hymenoptera?
bees and parasitoid wasps
How did diversity develop in Hymenoptera?
by coevolving with flowers and host insects
What kind of eggs produces male Hymenoptera?
haploid unfertilized eggs
What kind of eggs produces female Hymenoptera?
diploid fertilized eggs
What is the scientific name of little fire ants?
Wasmania auropunctata
How do life stages differ in some Hymenoptera?
Diet fet to the immature can produce different adults, from males, females, and reproductive females
What is the scientific name of European honey bees?
Apis melifera
Who lays the eggs in european honey bees?
queen
Which type of bee reaches adulthood first?
Queens, the workers, then drones
What do queen northern giant hornet do during winter?
overwinter, similar to hibernation
emerge after winter
What do northern giant hornets do after winter?
forms a colony and forages
when do northern giant hornets reproduce?
fall
What is the major strategy of parasitoid wasps?
parasitism
How do parasitoid wasp species differ?
they differ by which life stage it parasitizes
Why are parasitoid wasps important?
they act as biological control organisms
controls agricultural pests
What do parasitoid wasps possess?
long, sharp ovipositors
how do parasitoid wasps lay eggs? (3)
they oviposit egg in host
injects a virus to prevent the host immune system from attacking the egg
egg hatches and feeds on host
What do parasitoid wasps lack?
venom glands
what is the scientific name of the blue-eyed ensign wasp?
Evania appendigaster
What is the blue-eyed ensign wasp, and what does it hunt?
a beneficial wasp common on Guam
hunts cockroaches
What does Neuroptera include?
lacewings
What are the characteristics of Neuroptera larvae?
slender and humpback larvae
What characteristics do Neuroptera adults have?
venous wings
Why are Neuroptera important?
they act as biological control agents
What mouthparts do adults and immature Neuroptera have?
chewing
How do lacewings lay eggs?
on stalks
What do Neuroptera larvae feed on?
Voracious predators feeding on pests like aphids
What are antlions also known as?
doodlebugs
What do antlion larvae feed on?
ants
how long do antlion stay in its larval stage?
3 years
how do antlion larvae feed?
by injecting digestive enzymes into prey
What are adult antlions mistaken as?
dragonflies
How do adult antlions and dragonflies differ?
dragonflies never folds its wings
what do adult antlions feed on?
pollen and nectar
what is the wingspan of adult antlions?
2-15 cm
what kind of antennae do adult antlions have?
clubbed antennae
what insect is included in Siphonaptera?
fleas
What mouthparts does immature Siphonaptera have, and what does it feed on?
chewing mouthpart
feeds on nests of animals
What mouthparts does mature Siphonaptera have, and what does it feed on?
piercing and sucking mouthpart
blood
Do adult Siphonaptera have wings?
no
how do Siphonaptera species differ?
they are host-specific
Why are Siphonaptera harmful?
they are serious pests
What is unique about the fleas’ lifestyle? (2)
The majority of its life cycle is spent in the environment or in a host
Only a short part is spent on the host
How do fleas and tapeworms coexist? (3)
Adult flea with cysticercoid(egg casing of tapeworms) is ingested
Eggs hatch within the host
Egg casing is secreted, and consumed by flea larvae
What do flea larvae feed on?
debris
What is unique about flea pupa?
they can remain inactive for years
How was the bubonic plauge vectored?
fleas fed on rats, and proceeded to feed on humans
What are chigo fleas?
fleas that can live within humans
