Quiz 2: Taxonomic Overview of Families, Key Characteristics

Question 1

What order’s primary characteristic is having either 2 short caudal filaments with 2 anal hooks each or 1 medial caudal filament? This order also has large, powerful mandibles.

Answer 1

ORDER MEGALOPTERA (Dobsonflies & Alderflies)

Question 2

What order’s primary characteristic is having 2 short caudal filaments with 1 anal hook each?

Answer 2

ORDER TRICHOPTERA (Caddisflies)

Question 3

What order in the adult phase has fully developed, membranous wings, halteres (knob-like, reduced wings), and proboscis (mosquito-like) mouthparts?

Answer 3

ORDER DIPTERA (adult)
Flies

Question 4

What order in the larval stage is long, with prominent mandibles, no wings/wing pads, and no gills, but with VARIABLE caudal end appearance?

Answer 4

ORDER COLEOPTERA (larvae)
Beetles

Question 5

What order has a PREHENSILE, mask-like mouth and large compound eyes?

Answer 5

ORDER ODENATA (Dragonflies & Damselflies)

Question 6

Order odenata is comprised of 2 main groups. Which of these is LARGE with 3 SHORT caudal filaments? This group is known for having gills in their rectum.

Answer 6

Dragonflies

Question 7

Order odenata is comprised of 2 main groups. Which of these is SLENDER with 3 LONG caudal filaments?

Answer 7

Damselflies

Question 8

This order in the adult phase has hard, shell-like wings called elytra and look like beetles. The elytra meet to form a straight line.

Answer 8

ORDER COLEOPTERA (adults)
Beetles

Question 9

This order’s members look like beetles, except they have a sucking mouthpart and their elytra do not meet closely and form a ‘V’.

Answer 9

ORDER HEMIPTERA
True Bugs
(gr. “half wings”, half hard & half soft)

Question 10

This order in the larval form has reduced mouthparts, with non-visible gills, no obvious head or mouthparts, and looks like a maggot.

Answer 10

ORDER DIPTERA (larvae)
Flies

Question 11

This order has an obvious 3 part body with 2 tarsal claws, gills at the basal end of their legs, and 2 cerci (tails).

Answer 11

ORDER PLECOPTERA

Stoneflies

Question 12

This order has an obvious 3 part body with 1 tarsal claw, fleshy gills along the length of their abdomen, and 3 cerci (tails).

Answer 12

ORDER EPHEMEROPTERA

Mayflies

Question 13

What 3 orders have complete metamorphosis, i.e., are holometabolous?

Answer 13

1. Coleoptera (beetles)
2. Trichoptera (caddisflies)
3. Diptera (flies)

Question 14

Which 5 orders are hemimetabolous, i.e., simple metamorphosis (no pupal stage)?

Answer 14

1. Ephemeroptera (mayflies)
2. Plecoptera (stoneflies)
3. Odonata (dragonflies & damselflies)
4. Hemiptera (true bugs)
5. Megaloptera (dobsonflies)