Philonthus lamtoensis lamtoensis Levasseur, 1967

Hromádka, Lubomír, 2008, Revision of Afrotropical species of the Philonthus peripateticus species group (Coleoptera: Staphylinidae: Philonthina), Acta Entomologica Musei Nationalis Pragae 48 (1), pp. 51-65 : 58

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Philonthus lamtoensis lamtoensis Levasseur, 1967


Philonthus lamtoensis lamtoensis Levasseur, 1967 View in CoL

( Figs. 19-24 View Figs View Figs )

Philonthus (Raucalius) lamtoensis lamtoensis Levasseur, 1967: 1626 View in CoL .

Type locality. Ivory Coast, Toumodi env., Lamto.

Type material examined. HOLOTYPE: ♁, ‘ Côte d´Ivoire, Lamto (Toumodi) [white oblong label with red margin, handwritten]’ ( MNHN).

Redescription. Body length 11.6 mm (with stretched abdomen), length of fore body (to the end of elytra) 5.7 mm.

Colouration. Head and elytra black, pronotum and abdomen black-brown, clypeus along anterior margin, maxillary and labial palpi, antennae and legs brown-yellow, all tibiae and femora somewhat darker.

Head ( Fig. 19 View Figs ) markedly transverse (ratio 36: 26), parallel-sided. Eyes slightly convex, hardly longer than temples (ratio 12: 11). Posterior angles of head distinct, with a few bristles. Four coarse punctures between eyes, distance between medial interocular punctures about five times as large as the distance between medial and lateral interocular punctures. Temporal area with several punctures of different size. Surface without microsculpture, shiny.

Antennae relatively long, reaching third puncture of dorsal rows when reclined. Antennomeres 1-3 longer than wide, remaining antennomeres as long as wide.

Pronotum somewhat wider than long (ratio 45: 42), parallel-sided, anterior angles rectangular, posterior angles markedly rounded. Each dorsal row with three almost equidistant punctures; each sublateral row with one puncture. Surface without microsculpture.

Scutellum very densely and coarsely punctate. Punctures larger than eye-facets, mostly coalescent. Setation black.

Elytra slightly wider than long (ratio 52: 46), parallel-sided, insignificantly widened posteriad. Punctation dense and coarse, punctures much larger than eye-facets. Distance between punctures very short. Setation greyish.

Legs. Metatarsus somewhat longer than metatibia (ratio 32: 30). Metatarsomere 1 longer than metatarsomeres 2-4 combined, metatarsomere 5 as long as metatarsomeres 3-4 combined.

Abdomen wide, from third visible tergite slightly narrowed towards both base and apex. Punctation between two basal lines on first three visible tergites coarse and dense. Punctation of all tergites very dense, much finer than that on elytra. Size of punctures slightly larger than eye-facets. Setation brown-grey.

Male. Protarsomeres 1-3 moderately dilated, each covered with modified yellow setae ventrally, protarsomere 4 narrower than preceding ones. Sternite VIII ( Fig. 24 View Figs ), aedeagus with branches of paramere narrowly separated medially, reaching apex of median lobe. ( Figs. 20-23 View Figs ).

Female. Unknown to the author.

Differential diagnosis. Philonthus lamtoensis lamtoensis may be distinguished from P. lamtoensis shamnesis by the slender body and paler antennae and legs. It differs from the closely related P. rugulipennis and P. katangaensis by the different shape of the aedeagus, and from P. rugulipennis also by the paler antennae.

Bionomics. Unknown.

Distribution. Ivory Coast (LEVASSEUR 1967, HERMAN 2001).


Museum National d'Histoire Naturelle














Philonthus lamtoensis lamtoensis Levasseur, 1967

Hromádka, Lubomír 2008

Philonthus (Raucalius) lamtoensis lamtoensis

Levasseur 1967: 1626
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