| Genus List |
Head: slightly wider than long; vertex finely granulose with
deep medial sulcus; frontal carina feeble, joins clypeal base;
clypeus feebly transverse, surface varies from shining impunctate
to microgranulose. Pronotum: transverse; side margins obtusely
subangulate at middle and feebly narrowing towards apex and obliquely
more or less so towards base; dorsum transversely convex; posterior
depression may be present or absent. Elytra: elongate-ovate;
apices cojointly, distinctly rounded; each elytron with 8, at
the extreme base with 9, rows of punctures; tricostate; side margin
may be serrulate or not. Male genitalia: aedeagus moderately
sclerotized and showing considerable curvature from below; basal
foramen fairly large with postero-ventral border prominent
and subtriangular; antero-dorsal wall of foramen from rectate
to feebly convex, its shape and width varies; medial lobe tapering
distally to acute or subacute point; apical orifice large and
regular; parameres elongate, lateral sides gradually narrowing
to acute apex; strut keeled, varies in length and shape; flagellum
feeble and irregular; spiculum generally U-shaped.
Key to the Sumitrosis known from La Selva
1. front of head not sulcate Sumitrosis amica
Head sulcate 2
2. Head with median sulcus Sumitrosis pallescens
Head trisulcate Sumitrosis terminatus
Species known from La Selva:
Sumitrosis amica (Baly)
Sumitrosis fryi (Baly)
Sumitrosis pallescens (Baly)
Sumitrosis terminatus (Baly)
Page authors:
C. L. Staines, 3302 Decker Place, Edgewater MD 21037. Staines.Charles@NMNH.SI.EDU
John T. Longino, The Evergreen State College, Olympia WA 98505 USA. longinoj@evergreen.edu