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-3- 22(21). Antennal fossae closer to mandibular fossae than to each
other. . . . . . . . .Paederinae Antennal fossae
about as close to each other as to mandibular fossae. . . . .
Diochinae 23 (21) . Anterior
angle of pronotum produced anteriorly beyond anterior lateral angle of prosternum margin
of pronotum apparently single, hypomeron not or incompletely
margined along inner side . . . . . . . . . . . . . . . . . . . . . . . . . Quediinae
Anterior angle of pronotum not so produced-margin of pronotum not so produced; margin or pronotum
double, hypomeron completely margined along
inner side. . . . .24 24 (23) . Lateral marginal lines of pronotum separate throughout. . . . .
.. . . . . Xanthopyginae Lateral marginal
lines of pronotum united behind anterior angles. . . . . .
. . . . . . . . . .25 25 (24) . Antennal fossae closer to eyes than to each other. . . . . . . . . .
. . .. . . Staphylininae Antennal fossae closer to each other than to eyes. . .
. . . . . . .. . . . Platyprosopinae 26 (19). Antenna with segments three through eleven filamentous. . . . . . . .
. . . . . . . . . . . . .27 Antenna not
filamentous . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 28 27(26). Anterior tarsus very slender . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . Habrocerinae Anterior tarsus
broadly dilated. . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . Trichophyinae 28 (26) . Elytral epipleuron delimited by a carina. . . . . . . . . .
. . . . . . . . .. . . . . . . . . ..
. . . . 29
Elytral epipleuron not delimited by a carina. . . . . . . . . .. . . . . . . . . Phloeocharinae 29 (28). Pronotal epimeron delimited. by a distinct suture. . . . . . . . . .
. . . . . . . Olisthaerinae Pronotal epimeron not delimited by a suture. . . . . . . . . . .
. . . . . . . . Tachyporinae This key to the subfamilies is modified from that of Moore
(1964) with his corrections
(1967, 1973). His paper has some illustrations
and a discussion of each subfamily. Key
to the Genera of Steniane
1. Eye very large, occupying entire side of the head; seventh
abdominal segment with short spines or short
brushes of hair. . . . . . . . . . . . . . . . . . . .. . . . . . . . Stenus Latreille Eye not occupying entire
side of head; seventh abdominal segment with a tuft of long fine hair each side. . . .
. . . . . . . . . . . . . . . .. . . . . . . . . .
. . . . . . . . . . .. . Dianous Leach The
Genera of Aleocharinae
In both species and genera, members of this difficult
subfamily comprise at least two-fifths of all Staphylinidae. There are no
satisfactory keys to the genera of America north of Mexico. Key
to the Genera of Micropeplinae
1. Pronotum and elytra distinctly costate; pseudepipleura well
developed, delimited by distinct humeral costa. . . . .. . .. . . . . . . . . . . . . . . . . .. . . . .
. .. . . . .Micropepius Latreille Pronotum without distinct
raised costae elytra strongly deflexed at sides, with slightly raised discal ridges, but
lacking humeral costae and pseudepipleura . . . . .Kalissus LeConte Oxyporinae
A single genus, Oxyporus Fabritius, comprises this subfamily. It was revised by Campbell (1969). |