Peltonotus, Burmeister, 1847

Jameson, Mary & Jakl, Stanislav, 2010, Synopsis of the aroid scarabs in the genus Peltonotus Burmeister (Scarabaeidae, Dynastinae, Cyclocephalini) from Sumatra and description of a new species, ZooKeys 34 (34), pp. 141-152 : 143

Key to the Sumatran species of Peltonotus

Males: Protibial claws with one claw enlarged and expanded; elytral epipleuron not developed in ventral view.

Females: Protibial claws similar in size and shape; elytral epipleuron developed or simple in ventral view.

1. Apical half of mentum acute, triangular (Figs 9–10) ................................... 2

1'. Apical half of mentum rounded (e.g., Fig. 8)............................................... 3

2. Surface of frons and clypeus multisetigerous; male genitalia as in Fig. 21a–b; female epipleuron incised and with elongate-oval emargination at sternite 4 in ventral view (Fig. 16)..................................... P. sisyrus Jameson & Wada

2'. Surface of frons and clypeus unisetigerous; male genitalia as in Fig 22a–b; female epipleuron simple, not incised and emarginated in ventral view (Fig. 17)............................................. P. talangensis Jameson & Jakl , sp. n.

3. Protibia tridentate (Fig. 12); male genitalia as in Fig. 19a–b; female epipleuron incised and with rounded emargination in ventral view (Fig. 14)............ ........................................................................... P. cybele Jameson & Wada

3'. Protibia bidentate (Fig. 11); male genitalia not as in Fig. 19a–b; female epipleuron not as in Fig. 14............................................................................... 4

4. Apex of metatibia in male with longer spur produced to apex of metatarsomere 2; male genitalia as in Fig. 18a–b; female unknown .......................... ........................................................................ P. animus Jameson & Wada

4'. Apex of metatibia in male with longer spur produced to middle of metatarsomere 2; male genitalia as in Fig. 20a–b; female epipleuron incised and with moderately developed emargination in ventral view (Fig. 15)........................ ................................................................ P. gracilipodus Jameson & Wada