Agnosthaetus impressus, Clarke, 2011

Clarke, Dave J., 2011, A Revision of the New Zealand Endemic Rove Beetle Genus Agnosthaetus Bernhauer (Coleoptera: Staphylinidae), The Coleopterists Bulletin (mo 10) 2011, pp. 1-118 : 19

45(43′). Mentum with distinct indentation at middle of basal margin (similar to Fig. 68 ); disc of male sternite IX with pair of large posteriorly directed macrosetae, and one smaller pair subapically; paramere slen- der and more or less straight in both dorsal and lateral view, with setae clustered at apex ( Fig. 131 ); median lobe with regions of stout setae ( Fig. 135 , arrow) .................................. (15) A. impressus

45′(43′). Mentum without distinct indentation of basal margin (similar to Fig. 67 ); disc of male sternite IX with only single pair of large posteriorly directed macrosetae; paramere differently shaped, with setae more dispersed along apicomedial margin ( Figs. 121–122 , 129–130 ); median lobe with all setae of similar type, without any obviously stout setae ( Figs. 125– 126 , 133–134 ).....................................39

Figures

Figs. 63–68. Heads of Agnosthaetus spp., ventral view. 63) A. brouni; 64) A. stilbus, oblique view; 65) A. chiasma;

Figs. 129–132. Aedeagi of species in the Agnosthaetus brouni species-group, dorsal (left) and right lateral (right) views. 129) A. zonatus; 130) A. bicolor; 123) A. impressus; 124) A. nitidus. Scale bar = 100 mm.

Figs. 133–136. Apex of median lobe of species in the Agnosthaetus brouni species-group, ventral view.

Figs. 121–124. Aedeagi of species in the Agnosthaetus brouni species-group, dorsal (left) and right lateral (right) views. 121) A. brouni; 122) A. tumidus; 123) A. aequalis; 124) A. akatarawa. Scale bar = 100 mm.

Figs. 125–128. Apex of median lobe of species in the Agnosthaetus brouni species-group, ventral view.