186 



INSECTS OF SAMOA. 



first (visible) segment, pubescence otherwise short and pale, becoming a little 

 longer towards tip. Hypopygium slightly inclined towards right, with a very 

 large terminal depression (text-fig. 4). 



Legs entirely yellow, hind coxae perhaps a little brownish about base. 

 Tibiae without spurs. Front femora with a few posteroventral, minute black 



points towards tip, middle femora with 

 similar antero ventral and (more extended) 

 posteroventral points, hind femora with 

 only hairs instead. Only hind femora 

 shining behind. 



Wings with venation almost exactly 



as in P. vitiensis Muir (text-fig. 5), costal 



Text -FIG. 4. — Pimmculus liinilaris, st>. n. - t_ j. ^ e t j.- i 



... f ^ 1 i 1 • segment between ends oi mediastmal 



Abdomen or (J, lateral view. 



and radial veins equal in length to the 

 following segment, stigma not reaching back to end of mediastinal vein, and 

 bounded basally by a distinct cross-vein. End of subapical (or first posterior) 

 cell, perhaps not quite so wide as in P. vitiensis. Halteres and squamae yellow. 

 Leng-th about 2-5 mm. 



Samoa : 1 ^ (type). Tutuila : Afono Trail, 1 ^ (paratyjje), 25.ix.1923 

 (Swezey). Type in Bishop Museum, Honolulu. 



Text-fig. 5. — Pipunculus vitiensis Muir (Fiji). Wing of cj. 

 The shading of the stigma (cf. text-fig. 6) is accidentally omitted. 



P. limitaris is closely allied to P. heterostigmus Perkins (North Queensland) 

 and P. vitiensis Muir (Fiji). All three species agree in the peculiar venation, 

 especially the abbreviated stigma, bounded basally by a distinct cross-vein, 

 and in having an indistinctly translucent yellow base to the abdomen. 



P . heterostigmus has darker legs, " the femora largely darkened above and 

 at the sides " in the female, and only " the trochanters, knee joints and tarsi 



