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Genus Placonotus - African species |
Coleoptera - Cucujidae - Laemophloeidae - Placonotus |
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By L.P. Lefkovitch (rearranged by Arved Lompe) If you find any errors or omissions please mail me at mailbox@lompe.de |
Lefkovitch, L.P. (1962): A revision of African Laemophloeinae (Coleoptera:Cucujidae) - Bulletin of the British Museum (Natural History) Entomology, 12(4):165-245 Private Datei: F:\taxa\coleo\scans\Lefkovitch1962 Laemophloeinae Afrika.pdf |
#1 |
Anterior angles of pronotum acute [fig.1]. ...2 |
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Anterior angles of pronotum rounded [fig.2]. ...12 |
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#2 |
Black or reddish black in colour, without a lighter mark on each elytron; epistome truncate anteriorly. ...tastus Lefkovitch, 1962 |
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Head and pronotum brown or yellowish in colour, or if black, then each elytron with a lighter mark at basal third; epistome emarginate anteriorly. ...3 |
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#3 |
Elytra unicolorous. ...4 |
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Elytra with a lighter mark at basal third. ...11 |
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#4 |
Smaller species (about 1,5-2 mm.); pronotum distinctly transverse and head punctate; elytra 2,5-3-0 times as long as their combined width. ...5 |
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Larger species (about 1,8-2,3 mm.); pronotum about as broad as long or if transverse, then head impunctate; elytra usually less than 2,5 times as long as their combined width. ...6 |
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#5 |
Epistome concave. ...dolce Lefkovitch, 1962 |
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Epistome convex. ...mestus Lefkovitch, 1962) |
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#6 |
Disc of head impunctate but strongly reticulate. ...mossus Lefkovitch, 1962 |
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Disc of head punctured. ...7 |
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#7 |
Disc of head polygonally reticulate between punctures. ...donacioides (Wollaston) |
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Disc of head smooth or with irregular groove-like markings between punctures. ...8 |
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#8 |
Elytra rounded together posteriorly [fig.3]. ...majus Lefkovitch, 1962 |
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Elytra separately rounded to apico-sutural angle, semitruncate [fig.4]. Good characters for the separation of females have not been discovered. ...9 |
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#9 |
Habitus [fig.5]. Ventral claspers of male weakly developed [fig.6] [fig.7]. ...ealaensis Lefkovitch, 1962 |
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Ventral claspers of male strongly developed. ...10 |
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#10 |
Ventral claspers straight posteriorly; dorsal claspers incompletely divided, in shape together equivalent to a normal tenth tergite [fig.8]. ...subtruncatus Lefkovitch, 1962 |
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Ventral claspers spatulate posteriorly; dorsal claspers completely divided except for a narrow strut anteriorly, posteriorly no broader than ventral claspers [fig.9]. ...africanus Lefkovitch, 1962 |
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#11 |
Head and pronotum reddish brown. ...exornatus (Grouvelle) |
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Head and pronotum black. ...decoratus (Grouvelle) |
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#12 |
First visible abdominal sternite with femoral lines; pronotum convex between lateral lines; anterior angles of pronotum not produced [fig.2]. ...politissimus (Wollaston) |
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First visible abdominal sternite without femoral lines; pronotum almost flat between the lateral lines; anterior angles of pronotum somewhat produced. ...bolivari (Grouvelle) |
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africanus bolivari decoratus dolce donacioides ealaensis exornatus |
majus mestus mossus politissimus subtruncatus tastus |
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 First prepared: 02.12.2019 Latest edit: 02.12.2019 - 18:04:22 |
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