Redescription of the genus Megastilicus Casey (Staphylinidae, Paederinae) with the description of a new species

The myrmecophilous Paederinae rove beetle genus Megastilicus Casey, 1889 from North America is reviewed based on museum specimens.Prior to this study, the genus was monotypic with one species Megastilicus formicarius Casey, 1889 described.Here, we provide a redescription of the genus and the type species, designate a lectotype, and provide pictures

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THE HISTORY OF ERECTILE DYSFUNCTION STUDY

This article presents a review of literature on the history of the study of theerection phenomenon and erectile dysfunction (ED).In the article the evolution of ED studiesis reviewed in a chronological order.Erectile dysfunction has been a major concern at all times.In the process of human development the knowledge of anatomy, physiology of the pen

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