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Systena - 11

[[left margin]] of. [[/left margin]]*
Systena mesochlora, [[strikethrough]]new species[[/strikethrough]]

(Fig. 8)

[[left margin]] [[2w 10 solid?]] [[/left margin]] Elongate-oblong, about 3.5 mm. long, shining, with very finely and sparsely punctate head and prothorax, and densely and distinctly punctate elytra; pale yellow or greenish yellow, the mouth parts, and usually the lateral margin of prothorax, and in dark specimens, the sutural and lateral-dorsal vitta, dark brown; in paler specimens only traces of elytral vittae; sides of prosternum, metasternum and abdomen more or less dark.

Head smooth, shining, very finely and sparsely punctate; deeper yellow over occiput; mouth parts dark; frontal tubercles distinctly marked. Antennae long, slender, pale yellow, extending to middle of elytra, third joint usually a little shorter than fourth or fifth, which are subequal. Pro thorax with rounded sides, wider before the middle, about a third wider than long, depressed more or less distinctly across the base; surface shining, finely punctate; pale yellow or greenish yellow, with lateral margin and the lateral sides usually narrowly touched with brown. Scutellum rounded at the base, yellow or brown. Elytra oblong with small humeral prominences, shining, densely and distinctly punctate; pale yellow or greenish yellow, in pale specimens frequently with little trace of vittae, in darker specimens with dark sutural and lateral-dorsal vittage, not joined at apex, sutural vitta not reaching apex and lateral vitta not near margin. Body beneath shining, lightly pubescent, sides of prosternum, metasterum, and often abdomen in part dark. Legs pale, frequently with outer edge of tibiae and apex of hind femora dark. Length 3.5 to 3.8mm., width 1.5 to 1.6mm.
Type male and 5 paratypes (3 males and 2 females) U.S.N.M.Cat.No.50116, collected at San José, Costa Rica, by J.F.Tristán, in April 1928.
Other locality. -- San Isidro, Costa Rica.
This special has the usual rather broadly oblong shape, pale coloring, sparsely and finely punctate head and prothorax, and more densely punctate elytra.

Transcription Notes:
* referencing Systena mesochlora