Lab practical #1

Question 1

Answer 1

Calopterygidae - ‘Broad-winged damselflies”

1. Wings not stalked, ten or more antenodal cross veins

Question 2

Answer 2

Ephemeroptera

1. ADULTS:
   
   1. Wings (1 or 2 pr)
   2. Abdomen with 2-3 caudal filaments

Question 3

Answer 3

Thysanura

1. Wingless
2. Three caudal filaments
3. Body with scales
4. Flatteneded

Question 4

Odonata

Answer 4

Anisoptera“Dragonflies”

1. ADULTS:
   
   1. Hindwings wider than front wings and not narrow at base
2. LARVAE:
   
   1. Extendible labium
   2. Caudal tracheal gills

Question 5

Answer 5

Libellulidae“Skimmers/Perchers” - Dragonflies

1. Most of costal and subcostal crossveins in line
2. Forewing without brace vein below stigma
3. Hindwing anal loop foot-shaped with well developed toe in Libellulidae and more rounded in Coreduliidae

Question 6

Answer 6

Archaeognatha

1. Wingless
2. Three caudal filaments
3. Body with scales
4. Body cylindrical and arched

Question 7

Question 8

Answer 8

Aeshnidae“Aeshnids” - Dragonflies

1. Most of costal and subcostal cross veins not in line
2. Forewing with brace vein below stigma
3. Eyes broadly touching dorsally

Answer 9

Zygoptera - “Damselflies”

1. ADULT:
   
   1. Fore and hind wings similar in shape and narrow at base
2. LARVAE:
   
   1. Extendible labium
   2. Tracheal gills present at end of abdomen

Question 10

Answer 10

Coenagrionidae - “Narrow-winged damselflies”

1. Lestidae also has these characters
2. Wings stalked
3. 2 to 3 antenodal cross veins

Question 11

Answer 11

Ephemeroptera

1. LARVAE (naiads):
   
   1. Abdomen with gills
   2. Abdomen usually with 3 caudal filaments (rarely 2)