172 



INSECTS OF SAMOA. 



11. Xestocephalus tutuilanus, n. sp. (Text-fig. 7). 



Head narrow, scarcely as wide as pronotum. Vertex as long at middle as 

 at eye, subangulate, rounded to front ; front broad, narrowed abruptly to base 



of short clypeus. Clypeus about as broad 

 as long, sides parallel, apex truncate. 

 Pronotum a little longer than vertex, trun- 

 cate behind ; elytra with distinct veins. 

 Female last ventral segment long, twice as 

 long as penultimate, faintly sinuate and 

 with shallow notch at middle of hind border. 

 Male valve hidden, plates elongate tri- 

 angular, tips acute. 



Colour pattern similar to fulicarius and 

 pardalinus. Vertex pale with two dark 

 spots on disc and dark borders to lighter 

 spot enclosing ocelli. Pronotum brown with 

 rounded spots anteriorly and two larger 

 ones on the disc near the hind margin and a 

 broken median line, yellowish. Scutellum yellow with darker areas in basal 

 angles. Elytra yellowish subhyaline with distinct brown or fuscous spots as 

 shown in the figure. Beneath light brown. 



Length : female, 2-5 mm. ; male, 2-25 mm. 



Two specimens : female (holotype and paratype) Tutuila, Pago Pago, one 

 9-9-1923 and one 9-24-1923, Swezey and Wilder ; one male (allotype) Lau, Fiji, 

 Namuka, 8-13-1924, Bryan ; one male (paratype) Tutuila, 760-900 ft., Kellers, 

 iv.l918 ; one female (paratype) Pago Pago, Tutuila, 0-300 ft., Kellers, iv.l918. 



Text-fig. 7.- — Xestocephalus tutuilanus 

 n. sp. : a, dorsal view ; b face ; c, 

 female, and d, male genitalia. 



12. Xestocephalus piceatus, n. sp. 



Head slightly narrower than pronotum, rounded before, vertex broader 

 than long, scarcely longer at middle than at eye. Pronotum twice as wide as 

 long, hind margin slightly convex ; elytral veins obscure. Male valve very 

 short, almost hidden under preceding segment. Plates long, tapering to blunt 

 upturned apices, clothed with long ciha. 



Dark piceous above except two whitish subhyaline spots on costa near 



