نتایج جستجو برای: male genital system
تعداد نتایج: 2527973 فیلتر نتایج به سال:
Three new species of Atopsyche Banks (Hydrobiosidae) from Brazil are described and illustrated: Atopscyhe (Atopsaura) blahnikisp. n., Atopsyche (Atopsyche) paraunasp. n., and Atopsyche (Atopsaura) galharadasp. n. Additional illustrations of the male genitalia of Atopsyche urumarca Schmid are provided, including its populational variation. Also, we provide new state records for 2 species: Atopsy...
A new species of the genus Toxoides, T. sichuanensis sp. n. is described based on specimens collected in Sichuan, China. Illustrations of male adult and male genitalia are provided, together with a distribution map of the genus Toxoides.
A new subgenus and new species of anophthalmic trechine beetles, Oodinotrechus (Pingleotrechus) yinae subgen. n., sp. n., is described and illustrated from a limestone cave called Chaotianyan in southern part of Guilin karst, northeastern Guangxi Zhuang Autonomous Region. The new taxon is very different from the Maolan-Mulun congeners belonging to the nominate subgenus Oodinotrechus (s. str.) U...
INTRODUCTION AND AIMS Research in adolescents has shown that parental warmth and control are important factors in drug use. The present study focused upon investigating perceived parental warmth and control in a sample of post-adolescent ecstasy/polydrug users, and investigating their relationship to severity of drug use. DESIGN AND METHODS A total of 128 (65 male) ecstasy/polydrug users, 51 ...
A review on the Chinese species of Tetraserica Ahrens, 2004, is presented. The lectotype of Tetrasericatonkinensis (Moser, 1908), comb. n. is designated. Twenty-nine new Tetraserica species are described from China and adjacent regions: Tetrasericaanhuaensis sp. n., Tetrasericachangjiangensis sp. n., Tetrasericachangshouensis sp. n., Tetrasericadamaidiensis sp. n., Tetrasericadaqingshanica sp. ...
A new species of Michanthidium Urban (Hymenoptera, Megachilinae)is described and figured from Sergipe and Bahia States, northeastern Brazil. An identification key, illustrations, and a distribution map for the three species of the genus are presented. The male genitalia of Michanthidium almeidaisp. n. and Michanthidium albitarse are illustrated and compared for the first time.
Male homosexual preference (MHP) has long been of interest to scholars studying the evolution of human sexuality. Indeed, MHP is partially heritable, induces a reproductive cost and is common. MHP has thus been considered a Darwinian paradox. Several questions arise when MHP is considered in an evolutionary context. At what point did MHP appear in the human evolutionary history? Is MHP present ...
The Japanese Paduniella Ulmer species are reviewed with descriptions of 3 new species. Paduniella communis Li & Morse and P. uralensis Martynov are recorded from Japan for the first time and redescribed. Records of P. amurensis Martynov from Japan are based on misidentification. Illustrations of male genitalia are provided for
A new species from Ghana, Psallops niedzwiedzkii Herczek & Popov, sp. n. is described. The dorsal habitus, head and male genitalia are presented and some morphological features are discussed. A key, short descriptions and map of the distribution of the African species of the genus are also provided.
The small Neotropical genus Malacophagomyia Lopes is revised. Two previously recorded species from tropical South America are redescribed: M. filamenta (Dodge) and M. kesselringi Kano & Lopes. One new species is described, M. rivadavia sp. nov., from temperate southern South America. The structures of the male genitalia of the species of this genus are compared, and some female genitalic struct...
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