Arthropoda 3 Flashcards
1
Q
Hexapoda diversity
A
33 orders and estimated 5 million species
2
Q
Non-insects
A
- Wingless
- Small, 3 leg pairs
- Sprintails (Collembola order)
- No visible mouthparts
- Ametabolous
- Coneheads (Potura order)
- Two prolonged bristle tails (Dipular order)
3
Q
True insects
A
- 3 leg pairs
- mouthparts visible
- Sophisticated behaviors
- Adults with wings
- Complex life cycle
4
Q
Hemimetabolous insects
A
- Adults with membronous wings
- Chewing mouths
- Adults and juvililes occupy same habitat
- Aquatic nymphs
- Good indicator of water quality
- Order Odonata, Ephemeropter, Plecoptera
5
Q
Dermaptera order
A
- Earwigs
- First pair of wings short and hard
- Second pair membranous and hidden
- Omnovorous with chewing mouths
- Different cerci in sexes
6
Q
Orthoptera Order
A
- Grasshoppers
- Herbivorous (chewing mouths)
- All have enlarged back legs for jumping
- Female with ovipositor
- Crickets have smaller legs, grasshoppers have small antenna and bush crickes have long antenna
7
Q
Phasmatodea, Antodea and Blattodea order
A
- Stick insects, manti and cockroaches
- Adults have one leathery wing pair
- Terrestrial nymphs
- Chewing mouths
- Stick insects - herbivorous, manti - canvororous and cockroaches - omnivores
8
Q
Hemiptera order
A
- Aphids, cicada
- All have piercing/sucking mouths
- Species have specialised wings to their purpose
- Most species are herbivorous and plant fluid feeders
9
Q
Coleoptera order
A
- Beetles
- Most diverse of all orders
- first pair of wings are hard (elytra)
- Many diverse lifestyles
10
Q
Lepidoptera order
A
- butterflies and moths
- Wings with small scales
- Adults are nectar feeders, catipillars are herbivorous
- Important pollinantors
- 56 butterfly and 2500 moth species in britain
- moths only have frenulum (allowing wings to sync)
11
Q
Diptera order
A
- Only 1 pair of wings
- True flies and mosquitors
- 2nd pair halters
- Different lifestyles
- Larvaes with different niches to adults
12
Q
Which orders are Holometabolus?
A
- Coleoptera (beetles)
- Lepidoptera (Moths and butterflies)
- Diptera (Flies and mosquitos)
- Hymenoptera (ants, wasps and bees)
