It provides a brief knowledge about Order (Trichoptera & Siphonoptera)

1. Syed Muhammad Ali Zahid
Department of Entomology
University College of Agriculture
University of Sargodha

2. Trichoptera
• Trichos : Hairs
• Ptera : Wings
• E.g. Caddisfly

3.  Have a fringe of hairs on the lower side of wings

4. Head
 Long, setaceous antennae
 M.P.s are Chewing-type

5. Thorax
 Wings are membranous

6. Abdomen
 Occasionally, have scales on abdomen
 Adult resembles with Moth

7.  Have well developed “Clasper” at the end of abdomen
Clasper
A fork-like structure
 Used to hold female during mating

8.  Larvae of these insects live cases of soil mud

9. Classification
 Have a single family
1. Hydroptilidae

10. Siphonoptera
• Siphon : Tube
• Aptera : Wingless
• E.g. Fleas

11. Characters
 Body is compressed laterally
 These insects are wingless
 These are ecto-parasites

12.  M.P.s bears a “Siphon”

13. Head
 Short antennae
 Lies in grooves
 Eyes may or may not be present

14.  Legs are long, thin and skinny
 Wings are absent

15. Classification
 Have 2 families
1. Pulicidae
• Eyes are absent
• “Genal comb” is present
• E.g. Animals flea

16. 2. Dolichopsyllidae
• Eyes are absent
• Genal comb is absent
• E.g. Human flea

17.  “Genal comb” is a row of spines below head