Paleoptera

Question 1

Ephemeroptera: Traits

Answer 1

• Adults typically live for only a day
• Males have larger eyes and longer front legs
• Two winged stages: subimago and imago (final adult stage)

Question 2

Ephemeroptera: Nymphs

Answer 2

• Aquatic
• Abdominal gills & 3 tails
• Feed on algae
• Multiple molts (20-30) before reaching adulthood
• Synchronized mass emergences

Question 3

Odonata: Traits

Answer 3

Acute vision, long slender abdomen, strong flyers, predatory
* Anisoptera (Dragonflies): Larger, more robust, broader at rest.
* Zygoptera (Damselflies): Slender, wings over body at rest

Question 4

Odonata: Nymphs

Answer 4

• Aquatic
• gills inside rectum,
• Gills also used for jet propulsion

Question 5

Odonata: Mating

Answer 5

• Wheel position,
• Secondary copulatory organs
• Cerci clasp female