Study the prey preference of some aquatic insects for different snails under the laboratory conditions

Document Type : Original Article

Authors

Zoology Department (Entomology), Faculty of Science (Qena), South Valley University

Abstract

The study of five aquatic insects (predators),
adults of  two hemipterous species, Limnogeton
fieberi
  Mayr, Sphaerodema
urinator
Duf., and nymphs of three Odonatous species, Anax imperator Leach,
Crocothemis erythraea
Brulle and Ischnura pumilio Charp. onfour
species of snails (preys) exist in its natural habitat at Qena, Bulinus
truncates
Audouin,  Biomphalaria
alexandrina
  Ehrenb,  Cleopatra bulimoides Olivierand  Melanoides tuberculata Muller. in non choice experiment under laboratory conditions,
the result indicated that the first preference 
for attack to all predators was directed towards B. truncates.And the last preference was B. alexandrina. Except, L.
fieberi
,
the last preference was C. 
bulimoides
.

Keywords