NO. 1108. PROCEEDINGS OF THE NATIONAL MUSEUM. 275 



APPASUS JAPONICUS, Vuillef. 



Appaaus japoKicus, Vuillef, Anu. Soc. Eut., France, 1864, p. 141. 

 Two specimeus of this common species are iu the collection. 



Family NOTONEOTID.E. 



NOTONECTA TRIGUTTATA Motschulsky. 



Notonecta triguttata, Motschulsky, Etud. Entoui., 1861, p. 24. 

 Only a single specimen is in the collection, but it is not rare in 

 southern Japan. 



ANISOPS SCUTELLARIS, Billbg. 



Anlsops seuiellaris, Billbg, Herricli-Schieffer, Wauz. Ins., IX, p. 41, pi. ccxciv, 

 fig. 906. 



Two specimens are in the collection. 



Genus CORISA. 

 CORISA SUBSTRIATA, new species. 



Dark brown above, testaceous on the head and beneath, form of 

 C. stri((ta, Fieber. Head moderately blunt, the vertex wide, coarsely 

 cai iiiated, and with an acuminated, brown callosity on the middle of 

 the i)osterior margin, each side of the carina is an impressed, punctate 

 line, another near the eye and an indentation, each side, next the 

 oc('ii)ital reflexed border; face moderately convex, hairy below, highly 

 ])<)lislied. Pronotum dark brown, moderately short, triangularly 

 rounded behind, radiated, crossed by seven somewhat curved, slender 

 yellow lines, of which the two discoidal ones are sometimes interrupted 

 at the inner end apex with a very short yellow line, the margins dark 

 brown, the middle anteriorly with a short callous carina, the lateral 

 liieces narrow triangular, ivory white. Legs pale testaceous, fringe of 

 the posterior tarsi blackish, piilm of the male narrower than iu the 

 female, falcate, a little curved toward tip, with the tibiai thick and 

 curved. AViug-covers, dark brown, rastrate, base of clavus crossed by 

 about six yellow, nearly entire and straight lines, the remainder is 

 marked with short wavy bands decreasing to a single series toward 

 tip; corium with two or three series of well separated wavy bands; 

 membrane with the flexed bands shorter, less regular, and more widely 

 sei)arated, sutures all jiale yellow; embolium yellowish white, termi- 

 nate<l by an aggregation of blackish marks in a long spot which is 

 connected with a slender series of points which sometimes extend back 

 to near the base. Venter pale testaceous. Facial fovea of the male 

 subtriangular, short, narrow, shallow. 



Length to tip of abdomen, 5i-G mm.; width of ])ronotum, 2 mm. 



Type.— No. 3106, U.S.N.M. 



Fourteen specimens are present in this collection, One of these has 

 a black stripe on the vertex, 



