Morphology and Fine Organization of the Midgut of Poecilimon ataturki Ünal, 1999 (Orthoptera: Tettigoniidae)

Abstract

In order to do detailed experiments about the internal organs of the insects or to improve new methods relevant to pest management, the biology of the species should be well known. For this reason, this paper deals with Poecilimon ataturki Ünal, 1999 (Orthoptera: Tettigoniidae) which is a bush crickets and is known to be harmful to the nature. Morphology and structure of the midgut of P. ataturki have been investigated by using light microscopy and scanning electron microscopy (SEM). The midgut of this species has two main regions called the ventriculus and the gastric caecum. The ventriculus has a tubular structure morphologically, whereas the gastric caecum has a bulbous structure. The ventriculus has two cell types in epithelial layer as the principle and the regenerative cells. The fine structure of the ventriculus and the gastric caecum cells revealed that the secretion activity moves from cell to lumen. These structures show a high level of similarity compared with the midgut structure of the previously studied species in the Orthoptera order despite some differences.

Keywords

• Gastric cacea
• ventriculus
• histology
• light microscope
• scanning electron microscope (SEM)

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