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8(7). Last segment of maxillary palpus not more than three times as long as wide. . . . .. . . .. 9

Last segment of maxillary palpus more than four times as long as wide . .Hesperus Fauvel

9(8). Anterior tibia spinose on outer edge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cafius Curtis

Anterior tibia not spinose on outer edge. . . . . . . . . . . . . . . Laetulonthus Moore & Legner

10( 4). Mesosternum longitudinally carinate. . . . . . . . . . . . . . . . . . . . Ontholestes Ganglbauer

Mesosternum not longitudinally carinate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

11.(10) . Last segment of labial palpus subfusiform . . . . . . . . . . . . . . . . Staphylinus Linnaeus

Last segment of labial palpus subsecuriform . . . . . .. . . . . . . . . . . . Ocypus Samuelle

This key is from Moore and Legner (1973c) which is slightly modified from Moore (1965).

Platyprosopinae

This subfamily is represented by the single genus Platyprosopus Mannerheim. It was described in detail and a species illustrated by Moore (1963).

Habrocerinae

The single genus Habrocerus Erichson comprises this subfamily.

Trichophyinae

The single genus Trichophya Mannerheim comprises this subfamily.

Key to the Genera of Phloeocharinae

1. Trochantin large, conspicuous; middle coxae separated by a long process of the prosternum .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rimulincola Sanderson

Trochantin minute; middle coxae contiguous. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2

2 (1) . Head produced in front of tri-dent beak which conceals the labrum . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . Vicelva Moore & Legner

Head not produced in front. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ecbletus Sharp

This key is from Moore and Legner (1973a) in which each genus is described in detail and an illustration is given of a member of each genus.

Olisthaerinae

The single genus Olisthaerus Dejean comprises this subfamily. It was described in detail and illustrated by Moore and Legner (1973a).

Key to the Genera of Tachyporinae

1. Head without infraorbital carina. .. . . . . . . . . . . . . .. . . . . . . (Tachyporini) . . . . . . . . . . . . 2

Head with infraorbital carina. .. . . . . . . . . . . . . . .. . . . . . . . (Bolitobiini) . . . . . . .. . . . . 6

2(1). Last segment of maxillary palpus not subulate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 3

Last segment of maxillary palpus subulate . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. 5

3 (2) . First segment of posterior tarsus as long as three following together . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cilea Jacquelin du Val

First segment of posterior tarsus not longer than two following together. . . . . . . .. . ... 4