entom exam1 notes 3
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entom exam1 notes 3
Describe the order Neuroptera. (lacewings and relatives)
Adults and immatures have chewing mouthparts.
Some are very important biological control organisms.
Describe the order Coleoptera. (beetles)
Largest order of insects (most species).
Immatures and adults have chewing mouthparts.
Forewings hardened structures called elytra.
Feeding habits are varied. Some are serious pests, others are beneficial.
What are elytra?
Hardened wings (such as on a beetle)
Describe the order Siphonaptera. (fleas)
Immatures with chewing mouthparts, feed in nests of animals.
Adults with piercing and sucking mouthparts feed on blood.
A serious pest and a nuisance.
Describe the order Diptera. (true flies)
Immatures (maggots) with "scraping" mouthparts.
Adults with varying mouthparts (sponging, piercing and sucking, cutting and sponging)
Hindwings modified into halteres.
Extremely varied in habitats.
Describe the order Lepidoptera. (butterflies and moths)
Immatures with chewing mouthparts - feeding habits varied.
Adults with siphoning mouthparts - feed on plant nectar.
Many are serious pests (as larvae)
Which moth is the most destructive to WA apples?
The Codling moth.
Describe the order Hymenoptera. (bees, wasps, ants, sawflies)
Immatures with variations of chewing mouthparts.
Adult mouthparts can vary (chewing and lapping)
Some species are highly social.
Some are among the most beneficial insects (e.g., bees)
Describe the subphylum Trilobita.
Extinct, know from fossils only.
Three distinct body segments.
An inch to 2.5 feet in length.
Bottom feeders in marine environments.
Approximately how many species of trilobites do we know of?
Describe the subphylum Chelicerata.
6 pairs of appendages.
1st pair are feeding structures called chelicerae.
Second pair of appendages may be modified to aid in feeding and are called pedipalps.
Body divided into cephalothorax and abdomen.
What are chelicerae?
The innermost feeding structure. The first pair of appendages.
What are pedipalps?
A modified pair of second appendages meant to aid in feeding.
Describe the class Arachnida.
The most common non-insect group.
Approximately 10,000 species.
The most commonly encountered non-insect arthropods.
Describe the order Scropiones.
Contains the scorpions.
What are the order Araneae commonly called?
What do all spiders produce?
What are the hairs on a tarantula called that can be 'shot' at you?
What is found in the order Opiliones and what subphylum does it reside in?
Daddy-longlegs and it's find in the phylum chilicerata.
What are found in the order Acari? What subphylum do these critters belong to?
Ticks and mites. They belong to the subphylum Chelicerata.
What is a detritovore?
Something that feeds on decomposing organic matter.
What reside in the class crustacea?
Crabs, shrimp, barnacles, lobsters.
Which critters rae Isopoda and what class does Isopoda fall under?
Snowbugs and pillbugs.
They are from the class Crustacea.
What critter is in the class Diplopoda and what common trait do they all share?
Millipedes and they have two leg pairs per body segment.
They are also omnivorous detritovores.
What critters reside in the class Chilopoda? And how many pairs of legs do they have per body segment?