STUDIES ON THE FOREGUT OF ORTHAGA EX VINA CEA HAMPSON (LEPIDOPTERA: PYRALIDAE) DURING PREPUPAL DEVELOPMENT
SAVITHA NANDANAN *
DEPARTMENT OF ZOOLOGY, ST. THOMAS’ COLLEGE, THRISSUR-680 001, INDIA
JOSEPH LOUIS OLAKKENGIL *
DEPARTMENT OF ZOOLOGY, ST. THOMAS’ COLLEGE, THRISSUR-680 001, INDIA
*Author to whom correspondence should be addressed.
Abstract
Morphological studies on the foregut of Orthaga exvinacea at its prepupal stage could be divided into pharynx, oesophagus and crop. Histologically the wall of the foregut is composed of peritoneum, muscle layers, basement membrane, epithelium and intima. The epithelium is composed of cuboidal and squamous cells.
Keywords: Orthaga exvinacea, prepupa, foregut, histomorphology