260 HEMIPTERA OF JAPAN— UHLER. vol.xix. 



Siil>taniil>' IiO?krfp:OCK:RI>J">V. 

 HOMCEOCERUS PUNCTIPENNIS, Uhler. 

 Homaoccrus pnncU ptnnls, UiiLKU, I'loc. Acad. I'hila., 1?<60, j). 226. 



Eight specimens were secured. 



HOMCEOCERUS CONCOLORATUS, Uhler. 

 Homuocerus concoloratus, I'ui.KK, I'roc. Acad. I'hila., 1860, j). 225. 



Seven specimens are in the collection. 



HOMCEOCERUS MARGINATUS, new spec.es. 



Pale rufofulvous, long and moderately narrow. Head short, deeply 

 incised behind the base of tylns, the anteiiiiiterous lobes Avith a red 

 band; antenna' rufous, scabrous, as long as the interval from the tip of 

 head to apex of llfth abdouiinal segment, apex of the second and third 

 joints piceous, the base of the fourth pale yellowish, basal and second 

 joints very long, the second longest, the third a little shorter than the 

 basal one, rostrum yellow, black at tip, reaching to near the middle 

 coxic. Pronotum steeply sloping forward, paler than the wing-covers, 

 transversely, wavedly rugulose, with confluent coarse punctures 

 between the wrinkles, the lateral margins a little sinuated posteriorly, 

 minutely denticulated along the slender black edge, lateral angles a 

 little curved upward, black, acute, and minutely acuminate, i)osterior 

 submargin obsoletely carinate. Legs honey yellow, tinged with green, 

 apex of the tarsi i)iceous. Scutellum greenish yellow, more minutely 

 punctate and rugulose than the pronotum. Hemelytra tinged with 

 rufous, clavus very coarsely punctate, the corium with punctures 

 becoming coarser posteriorly, costal margin a little dusky; membrane 

 pale brownish testaceous, reaching the tip of tergum. Under side pale 

 ocher-yellow, minutely scabrous; connexivum uniformly pale yellow. 



Length to tip of abdomen, 20 mu).; Avidth of base of pronotum, 

 (3 mm. 



Type.—^o. 3103, U.S.N.M. 



Only two specimens of this fine insect are present in the collection. 

 The one is redder on the hemelytra than the other. Both are changed 

 by the chemical agent which destroyed their lives, and there is strong 

 evidence of the original color having been green on most of the surface 

 before they had been plai-ed in the collecting bottle. 



PACHYCEPHALUS OPACUS, Uhler. 

 I'achyiephalntt opacitu, I'lii.Kit, rioc Acad. Pliila., 1860, ]>. 226. 



Only two specimens of this odd-looking insect are in this collection. 



