Anogdus LeConte, 1866

Peck, Stewart B. & Cook, Joyce, 2013, A revision of the species of Anogdus LeConte of the United States and Canada (Coleoptera: Leiodidae: Leiodinae: Leiodini), Insecta Mundi 2013 (290), pp. 1-27 : 3-4

Key to males of species of Anogdus LeConte of North America north of Mexico

1.

–

Antennal club robust, greatest width of club more than one-half length; elytral intervals, at least posterolaterally, with irregular transverse strigae. ........................................................ 2

Antennal club more slender, greatest width of club not more than one-half length; elytral intervals without transverse strigae. ........................................................................................ 4

2(1).

– Antennomere 7 broad, at least five-sixths width of antennomere 9. ..... A. capitatus LeConte Antennomere 7 narrower, less than two-thirds width of antennomere 9................................... 3

3(2).

–

Median lobe of aedeagus short and broad; apex in lateral view short with a rounded lobe ( Fig. 3, 4 ). ..................................................................................................... A. dissimilis Blatchley

Median lobe of aedeagus more slender; apex in lateral view elongate, flattened dorsoventrally ( Fig. 21, 22 ). ...................................................................... A. alachua Peck and Cook n. sp.

4(1).

– Paramere apices not or weakly widened apically (e.g. Fig. 11, 12 )............................................. 5 Paramere apices distinctly swollen ( Fig. 5, 9 , 27, 29, 31 ).......................................................... 12 5(4).

– Median lobe of aedeagus in dorsal view with paired apical lobes widely separated ( Fig. 11 ,

19 ). ............................................................................................................................................... 6 Median lobe of aedeagus in dorsal view with paired apical lobes adjacent, at least apically. .. 7

6(5).

–

In lateral view, apex of median lobe acute ( Fig. 12 ). .................................... A. potens (Brown) In lateral view, apex of median lobe broadly rounded ( Fig. 20 ). .................. A. superans (Fall)

7(5).

– Elytra setose; internal sac of aedeagus with elongate flagellum ( Fig. 15, 16 )..............................

Figures

Figures 1–18. Aedeagi, dorsal and lateral, of Anogdus species. 1, 2) A. capitatus. 3, 4) A. dissimilis. 5, 6) A. fusciclavus. 7, 8) A. insolitus. 9, 10) A. obsoletus. 11, 12) A. potens. 13, 14) A. puritanus. 15, 16) A. sculpturatus. 17, 18) A. secretus. Scale line = 0.30 mm for capitatus, dissimilis, fusciclavus, obsoletus, puritanus, sculpturatus, secretus; 0.35 mm for insolitus, potens.

Figures 19–32. Aedeagi, dorsal and lateral, of Anogdus species. 19, 20) A. superans. 21, 22) A. alachua. 23, 24) A. cochise. 25, 26) A. huachuca. 27, 28) A. rileyi. 29, 30) A. texanus. 31, 32) A. tridens. Scale line = 0.30 mm for superans, alachua, huachuca, texanus, tridens; 0.35 mm for cochise, rileyi.