202 



INSECTS OF SAMOA. 



to each other ; eighth, ninth and tenth segments thick, somewhat shorter ; 

 eleventh segment same thickness, longer and bluntly pointed. Prothorax with 



sides margined and rounded ; upper 

 surface uniformly convex and con- 

 fusedly punctate, some of the punc- 

 tures finer than others. Scutellum 

 small, broader than long, triangular 

 with apex broadly rounded, surface 

 impunctate, finely shagreened. Elytra 

 broader at base than prothorax, 

 confusedly and strongly punctate ; 

 humerus raised, convex. Under side 

 shining, with sparse, fine, whitish 

 hairs ; abdominal sternites finely and 

 transversely striated. Other struc- 

 tures as described in generic diagnosis. 

 Length, 2| mm. 



Upolu: Mt. Vaea, 1,500 ft., 

 20.xii.1924, 1 example (type). 

 Vailima, 24. vi. 19 24, 2 examples. 

 Malololelei, 2,000 ft., vi.1924, 2 

 examples. Tuaefu, 16.ix.1923, 3 

 examples (Swezey and Wilder). 

 Text-fig. 12.— Nesohaltica nigra, sp. n. x 30. Tutuila : Pago Pago, 9.ix.l923, 



1 example (Swezey and Wilder). 

 Savaii : Salailua, 21, 22.V.1924, 7 examples (Bryan). 

 Type in the British Museum. 

 Described from sixteen examples. 



15. Sphaerophyma insularum, sp. nov. (Text-fig. 13). 



Body ovate, strongly convex. General colour shining black ; antennae 

 and tarsi of all legs light brown ; parts of abdominal sternites darker brown, 

 especially those that generally remain covered by the large posterior femora ; 

 portions of tibiae dark red-brown (especially when seen by transmitted light). 



Head in repose deeply retracted within prothorax ; interocular space slightly 

 convex, more so above roots of antennae, and with two round punctures, one on 



