Indian J Dermatol Venereol Leprol | January-February 2009 | Vol 75 | Issue 1 skin, suggest that PV may be triggered or maintained by prolonged sun exposure. This case is reported for its atypical presentation and adequate response to potent topical steroid. It is suggested that localized PV should be considered in the differential diagnosis of persistent erosive lesions, more so when present ov...

The peritrophic matrix is a prominent feature of the digestive tract of most insects, but its function, formation, and even its composition remain contentious. This matrix is a molecular sieve whose toughness and elasticity are generated by glycoproteins, proteoglycans, and chitin fibrils. We now describe a small, highly conserved protein, peritrophin-15, which is an abundant component of the l...

Chrysomya megacephala, also known as the Oriental latrine fly, is indigenous to south-east Asia. During the 1970's it successfully invaded Africa and South America, and more recently during the 1980's also established itself in the United States of America. Although the first specimens from South Africa were collected from the south-western Cape Province in 1978, no published data appears to ex...

Seven species of Calliphoridae are reported from the Galápagos Islands, Ecuador: Lucilia pionia (Walker), L. setosa (James), L. deceptor (Curran), L. eximia (Wiedemann), Cochliomyia macellaria (Fabricius), Chrysomya albiceps (Wiedemann), and Chrysomya megacephala (Fabricius). Lucilia eximia is newly recorded from the islands. Lucilia sp. near pionia is recorded from the island of Española. The ...

269 INTRODUCTION Ophthalmomyiasis refers to infestation of the eye by dipterous fly larvae such as Chrysomyia bezziana. Chrysomyia bezziana is also known as old world screw worm; it is an obligatory parasite of the wound and found mostly in tropical and subtropical areas of the world. The sequelae of ophthalmomyiasis may range from minor irritation to blindness and even death. Treatment of opht...