Tribe Harpalini

Key to Genera

1. Next to last segment of labial palpi bisetose and subequal in length to following segment........................Stenolophus

Next to last segment of labial palpi plurisetose and longer than following segment......................................................2

2. First segment of metatarsus as long as the three following combined; prosternum usually with only two setigerous punctures at apex............................................................................................................................Selenophorus

First segment of metatarsus not as long as three following combined; prosternum usually with several setigerous punctures at apex...............................................................................................................................................................3

3. Each anterior angle of clypeus with two setigerous punctures; pro- and mesotarsi of male with dense pads of spongy pubescence beneath................................................................................................................................Amphasia

Each anterior angle of clypeus without or at most with one setigerous puncture; protarsi of male never with spongy pubexcence beneath, metatarsi often with two rows of scales beneath.......................................................................4

4. Hind tarsus with first article elongate, 1.3 or more times the length of antennae scape...........................................5

Hind tarsus with first article less than 1.3 times the length of antennae scape.............................................................6

5. Elytra opalescent, impunctate, pronotum reddish; male with articles 1 - 4 of front and middle tarsus with two rows of scales on ventral surface...................................................................................................................Trichotichus

Eltytra usually not opalescent, but if so, then surface is densley punctate and hairy; at least some articles of front and middle of male with a dense covering of scales ventrally............................................................................Notiobia

6. Elytra concolorous, black; legs reddish or, if darker, head behind eys punctate and hairy: pronotum with sides evenly rounded or sinuate; males with articles 1 - 4 of front and middle tarsi with two rows of scales on ventral surface............................................................................................................................................... Harpalus

Elytra bicolored, or, if black then legs are black, and head behind eyes are glabrous; pronotum with sides sinuate; male with articles 1 - 4 of front and middle tarsi with a dense covering of scales ventrally............................Anisodactylus