Subfamily Cillaeinae of Africa Coleoptera - Nitidulidae
  By Alexander G. Kirejtshuk (rearranged by Arved Lompe)
If you find any errors or omissions please mail me at mailbox@lompe.de
Kirejtshuk, A.G. (2001): Notes on the systematics of the African Nitidulidae (Coleoptera) - Annales historico-naturales Musei Nationalis Hungarici, 93:17-89 Private Datei: F:\taxa\coleo\scans\kirejtshuk2001 Nitidulidae Afrika Cillaeinae.pdf
  Generic attribution of Cillaeus thoracicus Laporte, 1835 remains rather obscure, although Grouvelle (1913a) placed this species in the genus Brachypeplus.  
#1 Dorsum glabrous or only with very short almost inconspicuous hairs on elytra and uncovered tergites.

   ...2

 
-- Dorsum distinctly pubescent.

   ...6

 
#2 Elytra gently sloping at sides and with widely explanate lateral edges; posterior corners of pronotum with distinct apices; laterosternites 2-3 times as long as wide; mesosternum without depressions for anterior parts of mesofemora; head flattened.

   ...3

 
-- Elytra very steeply sloping at sides and with narrowly explanate lateral edges; posterior corners of pronotum with rounded apices; laterosternites at least 4 times as long as wide (only in Liparopeplus laterosternites 2.0-2.5 times as long as wide) mesosternum with large depressions for anterior parts of mesofemora; head usually more or less convex; body usually rather convex or rarely flattened.

   ...4

 
#3 Body flattened and elongate (subparallelsided); pronotum with arcuate sides; scutellum subarcuate to subpentagonal, but never with clearly angular lateral corners; tergite 5 clearly widened posteriorly; labrum without median prominence; head shorter: distance between eyes 1.5-2.0 times more than head length; prosternal process flattened and extremelly widened before widely subtruncate apex; its most width about 4 times as great as least one between procoxae; posterior edge of metasternum between coxae arcuately emarginate; ventrite 1 about 1.5 times as long as ventrite 2; antennal club oval.

   ...Leiopeplus Murray, 1864, stat. n.


(typc-species: L. rubidus (Murray, 1859), here designated;
other species (all species described in composition of genus Brachypeplus):
L. brunnescens Grouvelle in Kolbe, 1919;
L. concolor Lechanteur, 1955, comb, n.;
L. granulatus Lechanteur, 1955, comb, n.;
L. lafertei Murray, 1864;
L. major Lechanteur, 1955, comb, n.;
L. nitidior Grouvelle in Kolbe, 1919;
L. niger Murray, 1864;
L. nigrescens Lechanteur, 1955, comb, n.;
L. opacior Grouvelle, 1915c/;
L. opacinus Grouvelle in Kolbe, 1919;
L. splendens Lechanteur, 1955, comb, n.;
L. sublaevis Grouvelle, 1915a;
L. testaceus Grouvelle, 1915a;
L. variabilis Lechanteur, 1955, comb, n.)
 
-- Body gently convex and elongate oval; pronotum subhexogonal; scutellum distinctly transverse and with clearly angular lateral corners; tergite 5 subparallelsided; labrum with a well raised median prominence; head shorter: about as long as distance between eyes; prosternai process curved along procoxae and moderately widened before widely rounded apex: its most width about 2-3 times as great as least one between procoxae; posterior edge of metasternum between coxae angularly excised; ventrite 1 about twice as long as ventrite 2; antennal club subcircular.

   ...Grouvellepeplus Kirejtshuk, 2001

 
#4 Pronotum subhexagonal; distance between metacoxae much greater than that between procoxae and posterior edge of metasternum between coxae straight; laterosternites 2.0-2.5 times as long as wide; prosternai process medially convex and moderately widened before arcuate apex.

   ...Liparopeplus Murray, 1864, stat. n.



(type-species: L. colastoides (Murray, 1864), here designated;
? Brachypeplus consobrinus Grouvelle, 1899)
 
-- Pronotum subquadrangular; distance between metacoxae less than that between procoxae and posterior edge of metasternum between coxae emarginate or excised; laterosternites 4 times as long as wide or longer; prosternai process medially flattened and moderately widened before arcuate apex.

   ...5

 
#5 Body convex, somewhat elongate oval and shorter. Cillaeus subgenus

   ...Xanthopeplus Fairmaire, 1880, stat. n.


(type-species: C. (X.) brachelytrus Fairmaire, 1880, by monotypy;
other species, including the species described by F. Lechanteur in composition of Brachypeplus (Liparopeplus):
C. (X.) bicolor Lechanteur, 1955, comb, n.;
C. (X.) camerounensis Paulian ct Villlers, 1940;
C. (X.) elongatus Lechanteur, 1955, comb, n.;
C. (X.) ipsoides Grouvelle, 1899;
C. (X.) leleupi Lechanteur, 1955, comb, n.;
C. (X.) nigricollis Lechanteur, 1955, comb, n.;
C. (X.) rotundicollis Lechanteur, 1955, comb, n.)
 
-- Body flattened, more elongate and longer.

   ...Cillaeus Laporte, 1835


(type-species: Cillaeus castaneus Laporte, 1835, here designated;
other species:
C. (C.) megacephalus Laporte, 1835;
C. (C.) micros Grouvelle, 1913;
C (C.) plagiatipennis (Grouvelle, 1906), comb. n. (described as Brachypeplus);
C. (C.) subplagiatus Grouvelle, 1913)
 
-- idem. Cillaeus subgenus

   ...Cillaeopsis Grouvelle, 1899, stat. n.


(type species: C. (C.) kraatzi Grouvelle, 1899, here designated;
other species:
C. (C.) nitidulus Grouvelle, 1899)
 
#6 Body more elongate and narrow (subparallelsided); distance between metacoxae markedly less than that between mesocoxae; elytra with longitudinal row of sparse punctures or tubercles corresponding to rows of hairs; pronotum subquadrangular and with rounded corners, its posterior corners never projecting posteriorly; mesosternum with large depressions for anterior parts of mesofemora; antennal grooves distinctly curved  
-- Body flattened, more elongate and longer. Cillaeus subgenus

   ...Paracillaeopsis Kirejtshuk, 2001

 
-- Body more or less elongate oval and wider; distance between metacoxae subequal to that between mesocoxae; pronotum markedly narrowed anteriorly or, if subquadrangular, with acute posterior corners projecting posteriorly; antennal grooves more or less subrectilinear, convergent.

   ...7

 
#7 Pronotum with clearly angular anterior and posterior corners or with rounded anterior and subacute posterior corners, less than twice as wide as long; mesosternum with large depressions for anterior parts of mesofemora.

   ...Brachypeplus Erichson, 1842


(typc-species: Brachypeplus planus Erichson, 1842, designated by Parsons, 1943;
other species:
B. (B.) aequalis (Walker, 1858);
B. (A.) amplus Kirejtshuk, 2001;
B. (B.) ater Grouvelle, 1892;
B. (B.) bimaculatus Grouvelle, 1894;
B. (B.) caffer Boheman, 1851;
B. (B.) castanescens Grouvelle, 1912;
B. (B.) congolensis Lechanteur, 1955;
B. (B.) depressus Erichson, 1843;
B. (B.) deyrollei Murray, 1864;
B. (B.) frater Kraatz, 1895;
B. (B.) latimargo Grouvelle, 1915;
B. (B.) parallelus Murray, 1864;
B. (B.) permixtus Grouvelle, 1908;
B. (B.) pilloselus Murray, 1864)
 
-- Pronotum with rounded anterior and posterior corners, at least twice as wide as long; mesosternum without depressions for anterior parts of mesofemora.

   ...8

 
#8 Prosternai process strongly curved along procoxae and not extended beyond posterior edge of prothorax; elytra with diffuse fine pubescence; dorsum with coarse and diffuse punctation (only with a weak trace of longitudinal rows of punctures), and with more or less smoothed interspaces between them.

   ...Colopterus Erichson, 1842

 
-- Prosternai process medially slightly curved along procoxae and distinctly extended beyond posterior edge of prothorax; elytra with partly squamose pubescence arranged in longitudinal rows; dorsum with obsolete punctation and tubercles on elytra arranged in longitudinal rows, sculpture nearly micro-granulate.

   ...Idosoronia Schaufuss, 1891


(typc-species: I. picta Schaufuss, 1891, by monotype)
 
  Brachypeplus
Cillaeopsis
Cillaeus
Colopterus
Grouvellepeplus
Idosoronia
Leiopeplus
Liparopeplus
Paracillaeopsis
Xanthopeplus
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First prepared: 01.12.2019
Latest edit: 01.12.2019 - 16:52:24
Käfer Europas by Arved Lompe / Cillaeinae by Alexander G. Kirejtshuk
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