Sparedrus davidis Fairmaire, 1888

Švihla, Vladimír & Dejean, in, 2007, Preliminary revision of the genus Sparedrus (Coleoptera: Oedemeridae) from eastern and southeastern Asia, Acta Entomologica Musei Nationalis Pragae 47, pp. 153-168 : 162-163

Sparedrus davidis Fairmaire, 1888

( Fig. 7 )

Sparedrus davidis Fairmaire, 1888: 131 .

Saloninus davidis: FAIRMAIRE (1891) : 134.

Sparedropsis davidis: SCHENKLING (1915) : 7.

Type locality. China, Hebei province, Chengde.

Type material examined. SYNTYPE (? HOLOTYPE): ♀, ‘Jehol [= Chengde; printed] // MUSEUM PARIS, Nord PEKIN, A. David [lgt.] 1865 [printed] // [yellow circle] // type [red label, printed] // Sparedrus Davidis Fairm. [Fairmaire’s handwriting] // MUSEUM PARIS, Collection Léon Fairmaire, 1906 [printed] // Sparedropsis davidis Fairm. , type de Fairmaire [handwriten], C. Girard det. 19 [printed]’ ( MNHN).

Additional material examined. CHINA: HEBEI, Xingtai, Taihang Mts., Neiqiu, Xinjiayu, 1,300 m a.s.l., from pheromone trap baited for bark beetles Dendroctonus valens LeConte, 1860 , 17.-20.v.2002, 2♀♀, M. Knížek lgt. ( NMPC).

Redescription. Coloration. Head rusty, between and behind eyes slightly darker, mouthparts and antennae rusty. Prothorax sepia, middle part of disc with mediolongitudinal rusty stripe, dilated both anteriorly and posteriorly, legs and ventral part of body sepia, elytra sepia, narrow basal two third of suture and irregular markings rusty ( Fig. 7 ). Coloration of syntype generally paler, most probably caused by the killing agent or by exposure to light.

Male unknown.

Female. Eyes large, slightly protruding, head across eyes slightly narrower than pronotum, behind eyes arcuately narrowing posteriorly. Frons between eyes slightly wider than length of antennomere 2. Last maxillary palpomere long securiform. Antenna reaching ca. elytral midlength (antennomeres 10-11 missing in all examined specimens), nearly filiform, with antennomeres only slightly dilated posteriorly and not flattened. Surface of head densely punctate, matt, between eyes semilustrous, punctation between eyes sparser, with long, semierect yellow pubescence. Pronotum ca. as long as wide, very slightly cordiform, anterior margin straight to slightly sinuate in middle, anterior corners rounded, lateral margins sinuate, slightly converging posteriorly, posterior corners obtuse, posterior margin widely rounded. Surface of pronotum punctate and pubescent like that of head, matt, pubescence forming an asterisk before middle, pair of anterior depressions very slightly indicated. Elytra very slightly dilated posteriorly, their surface finely punctate, semilustrous, with fine, recumbent, terra-cotta and sepia pubescence, corresponding with colour of integument, elytral nervation absent. Last tergite not exceeding last sternite, both with shallowly emarginate apex.

Length (♀). 9.1-13.6 mm.

Distribution. China: Hebei province.

Figures

Figs. 7-11. Habitus. 7 – Sparedrus davidis Fairmaire, 1888. 8 – S. atricolor (Pic, 1935), syntype. 9 – S. subserratus (Gressitt, 1939), paratype. 10 – S. latipennis (Pic, 1923), syntype. 11 – S. angustatus (Pic, 1923), syntype. 12-13. Head. 12 – Sparedrus atricolor (Pic, 1935); 13 – S. latipennis (Pic, 1923). (Photo J. Macek).