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Topic: Archostemata


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In the News (Sat 26 Dec 09)

  
  THE ARCHOSTEMATA (COLEOPTERA) OF NORTH AMERICA: WHERE ARE THE FOSSILS?   (Site not responding. Last check: 2007-09-23)
Five North American species represent about one-sixth of the diversity of modern Archostemata, the Coleopteran suborder considered the sister group to the rest of the modern Coleoptera.
Fossil Archostemata and Archostematan-like beetles are known from the Early Permian onwards; however, the majority of described fossils are from Europe and Asia where extant Archostemata are rare.
Some fossil Archostemata are also known from Australia, Africa, South America, and Antarctica, but until recently, there were few records of fossil Archostemata from North America.
gsa.confex.com /gsa/2004AM/finalprogram/abstract_76865.htm   (375 words)

  
 beetlelady.com » Phylogenetic Relationships of the Suborders of Coleoptera
Archostemata is a small suborder, containing one superfamily, Cupedoidea, and only 3 families: Cupedidae, Micromalthidae, and Ommatidae (Lawrence and Britton, 1994).
As with Archostemata and Myxophaga, it consists of just one superfamily, Caraboidea, but its 9 families contain a significantly greater diversity of species.
The authors themselves were skeptical of their results, noting that the smaller suborders were minimally sampled and needed to be better represented in future DNA sampling.
www.beetlelady.com /?page_id=3   (1518 words)

  
 Coleoptera : Beutel, Rolf G.
Beutel, R. & Hörnschemeyer, T. Description of the larva of Rhipsideigma raffrayi (Coleoptera, Archostemata), with phylogenetic and functional implications.
1: Morphology and Systematics (Archostemata, Adephaga, Myxophaga, Polyphaga partim).
Beutel, R. Phylogenetic analysis of Adephaga based on characters of larvae and adults with special emphasis on Carabidae.
www.coleoptera.org /p1918.htm   (1857 words)

  
 Archostemata Photos   (Site not responding. Last check: 2007-09-23)
Archostemata is an ancient lineage of beetles with a number of primitive characters.
They are similar in morphology to the first beetles that appear in the fossil record dating to 250 million years ago.
Images will open in a new browser window.
www.myrmecos.net /insects/archostemata.html   (42 words)

  
 Elateriformia (Coleoptera) - Characters   (Site not responding. Last check: 2007-09-23)
Each cavity is bordered anteriorly and often mesally by the prosternum and laterally and often posteriorly by the pleuron (Adephaga, Myxophaga and Archostemata) or pronotal hypomeron (Polyphaga) and is at least partly lined internally by a thin cuticular cowling formed by the prosternum.
In Archostemata and Adephaga, the trochantin is a distinct sclerite, separated from both pleuron and coxa; it is exposed in Archostemata and usually concealed in Adephaga.
Radial cells in Adephaga, Myxophaga and Archostemata are usually formed by cross-veins joining the two forks of RA, and they are usually further modified by a series of transverse or oblique folds which occur in this region of the wing.
delta-intkey.com /elateria/www/chars.htm   (14887 words)

  
 FAU - Developmental Biology - Research - Abstract
Only recently I have analysed the ovary structures of five species, Cupes capitatus (Archostemata), Microsporus sp., Torridincula rhodesica, Delevea namibiensis, and Hydroscapha natans; the last four belonging to the taxon Coleoptera: Myxophaga.
A reduction to this polytrophic ovary occurred in those lines from which todays Neuroptera, as well as the Coleoptera: Adephaga and Coleoptera: Archostemata: Micromalthidae derived.
However, during the period in which telotrophic meroistic ovaries existed at the common base of Neuropterida and Coleoptera, the set of genes necessary to build a polytrophic ovary, must have been preserved silently for long evolutionary periods.
www.biologie.uni-erlangen.de /entwbio/buening/abstract_2000_dzg.html   (332 words)

  
 FAU - Developmental Biology - Research - Abstract
Only recently I have analysed the ovary stucture of five species, Cupes capitus (Archostemata), Microsporus sp., Torridincula rhodesia Delevea namibiensis and Hydroscapha natans; the last four belonging to the taxon Coleoptera: Myxophaga.
A redurction to this polytrophic ovary occurred in those lines from which todays Neuroptera, as well as the Coleoptera: Adephaga and Coleoptera: Archostemata: Micromalthidae derived.
Further reduction to panoistic ovaries happened among foremothers of Megaloptera: Corydalidae, as well as at the base of Coleaoptera: Archostemata: Cupedidae, and among foremothers of Coleoptera: Myxophaga: Microsporidae and, in parallel, in those of Coleoptera: Myxophaga: Torrindinculidae.
www.biologie.uni-erlangen.de /entwbio/buening/abstract_2000_brazil_common_roots.html   (395 words)

  
 Elateriformia (Coleoptera) - SCIRTIDAE   (Site not responding. Last check: 2007-09-23)
At least some members of the group have the mesoventrite and metaventrite clearly separated, a feature found only in Archostemata according to Beutel and Haas (in press).
Scirtid larvae are unique among Coleoptera in having multiannulate antennae; although these are usually considered to be autapomorphous, the possibility exists that they represent a type of antenna found in beetle ancestors.
Lawrence, J. The Australian Ommatidae (Coleoptera: Archostemata): new species, larva and discussion of relationships.
delta-intkey.com /elateria/www/scir.htm   (2797 words)

  
 Key to families of the suborder Archostemata (English)   (Site not responding. Last check: 2007-09-23)
Key to families of the suborder Archostemata (English)
Body elongate and narrow with shortened elytra, leaving 5-6 tergites uncovered; prothorax without lateral edges, distinct notopleural and sternopleural sutures; abdomen with 6-7 ventrites; elytra with diffuse true punctation; maxillary lobes reduced
Prosternum without process between contiguous coxae; metepisternum widened posteriorly; abdomen with 6 visible ventrites; antennae with 11 segments; large and free labrum clearly exposed from under frons; elytra with regular rows of dense punctures; maxillary lobes well raised
www.zin.ru /Animalia/Coleoptera/eng/archokey.htm   (226 words)

  
 CSIRO Australia - Media Release 98/233 - Omma   (Site not responding. Last check: 2007-09-23)
The Ommatidae are members of the Archostemata, one of the four great suborders which make up the vast order of beetles (Coleoptera).
The Archostemata are regarded as the most primitive and ancient.
Fossil relatives of the living beetles discovered in the Mallee have been found in Jurassic rocks of Siberia, Central Asia and Britain.
www.csiro.au /news/mediarel/mr1998/mr98233.html   (625 words)

  
 Abebooks Search Results - Staphyliniformia
American Beetles 1: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia.
American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia (ISBN:0849319250)
Arnett, Jr., Ross H. American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
www.abebooks.co.uk /search/sortby/3/kn/Staphyliniformia   (375 words)

  
 Compare Prices and Read Reviews on American Beetles: Archostemata, Myxophaga, Adephaga, Polyphaga Staphyliniformia at ...
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www.epinions.com /American_Beetles_edited_by_Ross_H_Arnett_and_by_M_C_Thomas   (102 words)

  
 Bibliography - Oklahoma Coleoptera   (Site not responding. Last check: 2007-09-23)
American Beetles, Volume 1: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia.
In Arnett, R. H., Jr., and M. Thomas (eds.), American Beetles, Volume 1: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia.
Thomas (eds.), American Beetles, Volume 1: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia.
www.ento.okstate.edu /museum/coleoptera-biblio.htm   (2637 words)

  
 Homepage of Rolf Georg Beutel   (Site not responding. Last check: 2007-09-23)
A major field of research is the phylogeny of major subgroups of Coleoptera such as Archostemata, Myxophaga, Adephaga, and different lineages of Polyphaga (Staphyliniformia, Elateriformia, Cucujiformia).
Priacma serrata Leconte (Coleoptera, Archostemata) inferred from x-ray tomography.
Rhipsideigma raffrayi (Coleoptera, Archostemata), with phylogenetic and functional implications.
www.zoo.uni-jena.de /rbeutel   (1745 words)

  
 Amazon.com: American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia: Books: Michael ...   (Site not responding. Last check: 2007-09-23)
Amazon.com: American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia: Books: Michael C., Ph.D. Thomas,Ross H. Arnett
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American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia (Paperback)
www.amazon.com /exec/obidos/tg/detail/-/0849319250?v=glance   (723 words)

  
 Amazon.co.uk: American Beetles: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia Vol 1: Books   (Site not responding. Last check: 2007-09-23)
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Top of Page : American Beetles: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia Vol 1
www.amazon.co.uk /exec/obidos/ASIN/0849319250   (354 words)

  
 Palaeos Invertebrates: Arthropoda: Insecta: Order Coleoptera (beetles)
Left Rhipsideigma raffrayi - family Cupedidae (recent, Madagascar) - a representative of the suborder Archostemata.
The Archostemata are very similar in form to the earliest known beetles, from the Permian period.
Photograph copyright © 1996, David R. Maddison - Cupedidae page
www.palaeos.com /Invertebrates/Arthropods/Insecta/Coleoptera.htm   (598 words)

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