INSECTS OF MICRONESIA Coleoptera: Platypodidaeand Scolytidae'

W ood-Pl atypodidae and Scolytidae
across the suture and continue laterally to about striae 4 (the scutellum is not
visible), by the elongate, club-shaped antennal scape, four- or five-segmented
funicle, and subsolid, flattened club with sutures indicated only by lateral
constrictions and sometimes by a few setae, and by the anteromedially asperat e
pronotum.
8. Phloeotrypetus palauensis Wood , n. sp. (fig. 5, a, b) .
Female: Length 1.25 mm., 2.6 times as long as wide ; body color brown.
Fron s feebly, rath er broadl y concave, with epistomal mar gin weakly raised ; surface
indistinctl y reticulate, and with rather fine, moderately abundant punctures ; vestiture fine,
much longer above, dir ected orad . Eye entire, large, and coarsel y faceted. Antennae very
similar to species of L iparthrusn; scape rather long and slender; funicle shorter and foursegmented;
club a littl e longer than scape, shining, with sutures obscur ely indicated by
lateral constrictions and a few setae.
a
FIGURE5.-a , b, Phlo eotrypetus palauensis: a, lateral view; b, dorsal view. c, S colytomimus
bicolor, dor sal view.
Prono tum as long as wide ; sides almost straight and subparallel on basal half, moderately
rounded in front, ant erior mar gin armed by a row of about six small, scarcely
perceptible teeth; surface rather finely and closely asperate except at sides, asperitie s
smaller and sparse on posterior half , asperate area reticulate , lateral ar eas smooth and
shining, with few minute punctures; vestiture short, spar se, hairlike.
Elytra 1.7 times as long as wide, 1.9 times as long as pr onotum ; elytral bases elevat ed
and armed laterally to striae 4 by a single continuous row of coar se marginal crenulation s,
scutellum not visible ; striae 1 weakly, other s imperc eptibly impressed, punctures small
and rather deep; inter striae as wide as str iae, each with a row of granulate setiferous punctures
, puncture s about two-thirds as numerous on disc as stri al puncture s. Declivity moderately
steep, weakly convex ; more coarsely and closely granulate than on disc. Vestiture
consisting of uniser iate rows of fine, short , recumbent strial hair , and uniseriate rows of
erect, moderately long, inter strial bri stles. Mar gins of metepimeron and metepistemum
bearing a row of small scales.
Holotype , female (US 64624), Koror , Palau
Beardsley.
Is., at light, Apr . 1953,
DISTRIBUTION: Caroline Is . (Palau).