Digestive And Tracheal System of Menopon gallinae (Phthiraptera: Amblycera) InfestingPoultry Bird (Gallus gallus domesticus)

Publication Type:Journal Article
Year of Publication:2021
Authors:S. Arya, Singh S. K.
Journal:Journal of Mountain Research
Pagination:143- 149
Date Published:2021
ISSN:2582-5011, 0974-3030
Keywords:digestive system, Poultry shaft louse, Tracheal system

The digestive and tracheal system of a poultry shaft louse, Menopon gallinae (Phthiraptera: Amblycera) has been studied in greater details. Alimentary canal of louse was dissected out along with crop under stereozoom binocular microscope. Entire alimentary canal of M. gallinae was found more or less straight and has three basic parts (fore-gut, mid-gut and hind-gut) while crop-teeth was present in the crop. The posterior end of crop contains 20-30 well developed crop-teeth arranged in a single arced plate, in comb-like fashion. Mid-gut was found as simple tube and contributes nearly one half of the total length, while the hind-gut was marked by the opening of Malpighian tubules in alimentary canal. The heart of M. gallinae is of simplest kind, one chambered bulbous structure having three pairs of laterally placed ostia and supported by four pairs of alary muscles. In the tracheal system there were seven pairs of spiracles occurred on the terga of M. gallinae. The first pair of spiracle was found located close to legs while remaining six abdominal spiracles occur from segment 3rd to 8th. The degree of tracheation of various visceral organs has also been noted.

Short Title:J. Mountain Res
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