New Species of nor ! H American Pityophthorus Eichhoff ( Coleoptera : Scolytidae )
نویسنده
چکیده
strial punctures, and by the deeper, wider declivital sulcus. Female.— Length 2.3 mm. (paratypes 2.1-2.4), 2.6 times as long as wide; body color very dark brown to black. Frons broadly flattened between eyes from epistoma to well above eyes, with median half subconcave; gradually raised toward epistomal margin and with a conspicuous, distinctly elevated transverse epistomal process (much more conspicuous than in allied species); surface rather coarsely, closely punctured; vestiture fine, moderately abundant, uniformly covering entire flattened surface, but longer at margins. Eye and antenna as in allied species, except
منابع مشابه
NEW SYNONYMY , NEW COMBINATIONS , AND NEW SPECIES OF NORTH AMERICAN PirYOPHTHORUS ( COLEOPTERA : SCOLYTIDAE ) . PART II
— New synonymies and new combinations affecting North American Pityophthorus are proposed as follows: carinifrons Blandford. incomposilus Blaiidford, and incornmodus Blandford are removed from Pi/rop/ithorus and placed in Araplus; P. boycei Swaine {=Myeloborus catulus Blackman and M. iniquus Blackman) ; P. lautus Eichhoff = P. rhois Swaine and P. natalis Blackman) ; P. californicus new name for...
متن کاملNew Synonymy , New Species , and Taxonomic Notes of North American Pityophthorus ( Coleoptera : Scolytidae ) , Part Iii
— New synonymies and new data affecting North American Pityophthortis are proposed as follows: chalcoensis Hopkins { = herrerai Hopkins) and nigricans Blandford ( = chiapensis Bright). Neotypes are designated for the following species described by Eichhoff: concentralis, cribripennis, infans, puchellus, and tuberculatus. New species are: carinatus (Canada), cavatus (Manitoba, Saskatchewan), eut...
متن کاملOccurrence of species of the genus Pityophthorus Eichhoff (Coleoptera, Curculionidae, Scolytinae) in the province of Quebec, Canada
Twig beetles in the genus Pityophthorus Eichhoff, 1864 include more than 300 species worldwide, with maximum diversity in tropical and subtropical regions. To date, approximately 50 species of Pityophthorus have been recorded in Canada, and these species are associated mainly with coniferous trees. Since 1981, no comprehensive study on this difficult taxonomic group has been conducted in Quebec...
متن کاملTwig beetles, Pityophthorus spp. (Coleoptera: Scolytidae), as vectors of the pitch canker pathogen in California
Twig beetles in the genus Pityophthorus Eichhoff are known to be associated with the pitch canker pathogen, Fusarium circinatum, in California. Phoresy of the pathogen on these species has been reported to occur when insects emerge from diseased branches and when they infest disease-free, cut branch tips. To demonstrate that twig beetles can vector the pathogen, studies of phoresy and transmiss...
متن کاملAmbrosia beetle (Coleoptera: Scolytidae) species, flight, and attack on living eastern cottonwood trees.
In spring 2002, ambrosia beetles (Coleoptera: Scolytidae) infested an intensively managed 22-ha tree plantation on the upper coastal plain of South Carolina. Nearly 3,500 scolytids representing 28 species were captured in ethanol-baited traps from 18 June 2002 to 18 April 2004. More than 88% of total captures were exotic species. Five species [Dryoxylon onoharaensum (Murayama), Euwallacea valid...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2009