摘要:

Abstract.In a sample of 1760 British specimens of Psocoptera 7.8% had aberrant wing venation. Twenty species were examined, twelve of which showed aberration. The aberrations were usually dyssymmetric, in the apical part of the forewing, and least common in brachypterous forms.

ISSN:0307-6970    

DOI:10.1111/j.1365-3113.1979.tb00635.x

出版商:Blackwell Publishing Ltd    

年代:1979

数据来源: WILEY

摘要:

INSECT PHOTOGRAPHY FOR THE AMATEUR. By Peter E. LindsleyBIOLOGICAL IDENTIFICATfON: THE PRINCIPLES AND PRACTICE OF IDENTIFICATION METHODS IN BIOLOGY. By R. J. PankhurstTHE BEETLES OF AMERICA. By Richard Headstrom

ISSN:0307-6970    

DOI:10.1111/j.1365-3113.1979.tb00636.x

出版商:Blackwell Publishing Ltd    

年代:1979

数据来源: WILEY

摘要:

Abstract.ThegibbulusGroup of the genusAnotylusis diagnosed and the grounds for believing the group to be monophyletic discussed. The habits and present‐day relictual distribution of this Old World group are summarized.Anotylus gibbulus(Eppelsheim) is reported from Eastern Siberia (the first record from beyond the area of the Caucasus), and is reported as a fossil from Toronto, Canada (c.120,000 years B.P.). These findings, together with previous sub‐fossil records of the species from the British Isles, indicate a drastic contraction in range during the last (Wisconsinan/Devensian) stad

ISSN:0307-6970    

DOI:10.1111/j.1365-3113.1979.tb00637.x

出版商:Blackwell Publishing Ltd    

年代:1979

数据来源: WILEY

摘要:

ABERRATIONS OF BRITISH BUTTERFLIES. By A. D. D. RusswurmCOLEOPTERA, RHIZOPHAG1DAE. By Enid R. PeacockCOLEOPTERA, BUPRESTIDAE. By Brian LeveyARACHNOLOGY. SEVENTH INTERNATIONAL CONGRESS. Edited by P. Merrett

ISSN:0307-6970    

DOI:10.1111/j.1365-3113.1979.tb00638.x

出版商:Blackwell Publishing Ltd    

年代:1979

数据来源: WILEY

摘要:

Abstract.Field investigations onMusca domesticahouseflies in Rhodesia demonstrate a greater degree of contact than previously reported between domesticM. d. curviforcepsand feralM. d. callevaat their habitat interface. There was no evidence of any seasonal disappearance of hybrid flies; stable, intermediate, largely domestic populations are a feature of areas of sympatry. The existence of almost purecallevaferal populations in these areas was verified, though a slight degree of introgression withcurviforcepswas demonstrated for the first time. Gene‐flow between the subspecies was studied and a new explanation for the one‐way gene‐flow, based on habitat choice of hybrid flies, is advanced.Frons ratio, widely used in distinguishing different forms of housefly, showed serious limitations as a taxonomic character. The ratio, intended as a size‐adjusted measure of frons width, is not independent of size, and frons width and head width (shown to be a good measure of size) are at best weakly correlated. It was confirmed that the frons width of malecalleva×curviforcepshybrids is stabilized at the fronJ width characteristic ofcurviforcepsalthough laboratory breeding results indicate that intermediate frons widths are to be expected. The stabilization is due to selection for broader frons width in the domestic habitat. The nature of the selection is explained, and evidence is produced regarding i

ISSN:0307-6970    

DOI:10.1111/j.1365-3113.1979.tb00639.x

出版商:Blackwell Publishing Ltd    

年代:1979

数据来源: WILEY

摘要:

RECORD OF MY LIFE WORK IN ENTOMOLOGY. By Carl Robert von Osten SackenBUTTERFLIES ON MY MIND, THEIR LIFE AND CONSERVATION IN BRITAIN TODAY. By Dulcie GrayLIFE ON FORTY ACRES. SOME EXPERIENCES OF A NATURALIS1 LIVING IN THE AUSTRALIAN BUSH

ISSN:0307-6970    

DOI:10.1111/j.1365-3113.1979.tb00640.x

出版商:Blackwell Publishing Ltd    

年代:1979

数据来源: WILEY

摘要:

Abstract.The metathoracic scent gland system is a basic feature of the order Heteroptera. It occurs widely not only in the terrestrial forms (Geocorisae) and water‐surface bugs (Amphibicorisae) but also in the totally aquatic bugs (Hydrocorisae) and their littoral relatives (Ochteridae, Gelastocoridae). In Hydrocorisae the metathoracic scent gland conforms to Carayon's (1971) omphalian type (orifice median and undivided or, if divided, orifices close together towards the mid‐ventral line) but shows marked differences in structure and physiological function between species from different families. There is taxonomic interest in the distribution of the three distinctly different types of metathoracic occlusion apparatus. Naucoridae and Belostomatidae have a median lip‐valve, Notonectidae and Gelastocoridae a pair of stop‐valves, Corixidae a median flap‐valve. The valve opener muscles are usually dorso‐ventral but are ventral in Corixidae; the cuticular microsculpture in the metathoracic efferent system specifically in Hydrocorisae with stop‐valves (Notonectidae, Gelastocoridae) is similar to that widely present in Geocorisae. Groupings of Hydrocorisae from variations in the metathoracic occlusion apparatus differ from others based upon variations in the chemical constitution of the secretions. It is considered that the facts now known on metathoracic scent gland structure and function accord well with the hypothesis that Hydrocorisae constitute a polyphylet

ISSN:0307-6970    

DOI:10.1111/j.1365-3113.1979.tb00641.x

出版商:Blackwell Publishing Ltd    

年代:1979

数据来源: WILEY

摘要:

Abstract.Leiodid beetles of the genusAnisotomaare redefined and reclassified, based on a cladistic analysis of the world fauna, and evolutionary and biogeographic hypotheses are discussed.Agathidiumis the probable sister group ofAnisotoma. Anisotomaconsists of six monophyletic species groups, involving thirty‐five known species, including thirteen new species:bifoveata, maculata, latustriata, sinuosa, campbelli, exigua, tenuiucida, hidalgoensis, montana, colima, autlanensis, scopulaandreticulonota.Speciation may occur at a rapid rate inAnisotoma, between 10 000 and 1 000 000 years.Anisotomaarose in North America, from a hypothetical Holarctic common ancestor ofAnisotomaandAgathidium, and spread into Palearctic and Central American regions. Taxonomic history, natural history, and methods are briefly discussed, and the following given where appropriate: synonymies, diagnoses, descriptions, natural histories, distributions, remarks, materials examined, maps, keys to species and species groups, illustrations, and habitus drawings. Lectotypes are designated for Horn, LeConte, Melsheimer and Portevin species as needed.A. obsoleta(Horn) is renamedA. homidue to preoccupation. The Japanese genusEucyrtaPortevin is reduced to a synonym ofAnisotom

ISSN:0307-6970    

DOI:10.1111/j.1365-3113.1979.tb00642.x

出版商:Blackwell Publishing Ltd    

年代:1979

数据来源: WILEY

摘要:

BIOSYSTEMATICS IN AGRICULTURE. Edited by J. A. RombergerDISTRIBUTION ATLAS OF INSECTS OF KOREA. SERIES 2: COLEOPTERA. Edited by Chang‐Whan KimHYMENOPTERA, ICHNEUMONIDAE (PART) ORTHOPELMATINAE AND ANOMALONINAE. By I. D. Gauld and P. A. Mitche

ISSN:0307-6970    

DOI:10.1111/j.1365-3113.1979.tb00643.x

出版商:Blackwell Publishing Ltd    

年代:1979

数据来源: WILEY