188 



INSECTS OF SAMOA. 



widening a little to the tip ; lorae rather small, distant from cheek margin, 

 margin of cheek sinuate below the eye ; pronotum about two-thirds as long as 

 vertex, weakly granulate ; hind border sinuate ; scutellum with a deep impres- 

 sion at the middle, smooth ; elytra with five apical cells, veins distinct. 



Female, last ventral segment one-half longer than the preceding, hind 

 border sinuate, median portion slightly produced, a very shallow notch at 

 middle, ovipositor exceeding tip of pygofer, reaching nearly to tip of elytra. 



Colour pale stramineous without markings, except a fulvous stripe at the 

 sides of the vertex. Elytra hyaline. Length, 6 mm. 



One specimen, female (holotype), Haapai, Tonga, ii-26-1925, Hopkins. 



This species appears to fit into the genus although there is no male for 

 comparison with other species of the genus. 



Genus Nesosteles Kirkaldy. 

 Nesosteles Kirkaldy, Bui. No. 1, Div. Ent. Exp. Sta. H.S.P.A., p. 343 (1906). 

 Very similar to Eugnathodus Baker, possessing a vestige of nervure forming 

 an areolet in basal part of costal areole, scarcely evident in the Nearctic forms. 

 Genotype : Nesosteles hebe Kirkaldy. 



31. Nesosteles hebe Kirkaldy. 

 Nesosteles hebe Kirkaldy, Bui. No. I, Pt. 9, Div. Ent. Exp. Sta. H.S.P.A., p. 343 (1906). 



Head as wide as pronotum ; vertex short, as long at middle as at eye. 

 Body slender, sides subparallel, abdomen black above. 

 Length : female, 4 mm. ; male, 3 mm. 



Specimens from Savaii, Safune, v-4-1924. Lower Forest, Bryan, and Savaii, 

 Sailailua, v-16-1924, lowland to 1,000 ft., Bryan. 



Originally described from Fiji. This species seems to be a common, often 

 very abundant, insect in many of the Polynesian islands. 



32. Nesosteles tutuilana, n. sp. (Text-fig. 14). 

 Head wider than pronotum, distinctly arched or curved. Vertex short, as 

 long at middle as at eye. Front a little longer than broad, sides curving to 

 narrow apex ; clypeus rather long, narrowing slightly to apex ; lorae close to 



