102 



INSECTS OF SAMOA. 



obscure yellowish spot on apical third of its lateral margin, and with a dark 

 fuscous spot at base, middle and apex of its lateral margin ; sixth connexival 

 tergite similarly but less definitely marked. 



Structure. — Head equilateral, robust, ocelli moderately prominent, 

 slightly closer to the eyes than to one another ; relative lengths of antennal 

 segments 72 : 56 : 61 : 145 ; rostrum stretching to middle of metasternum, 

 relative lengths of segments 47 : 55 : 30 : 50. Pronotum distinctly broader 

 (including humeral spines) than long, the latter rather short and broad, only 

 moderately acute ; strongly rugosely punctate. Scutellum with disc moderately 



Text-fig. 5. — -RiptoHus tutuilensis, sp. n. : lateral view of head and thorax. 



convex, indistinctly rugosely punctate. Corium and clavus, as in R. insularis 

 rather sparsely but distinctly punctate ; trapezoidal cell on corium less elongate 

 than in R. insularis. 



Total length, 16 mm. ; breadth across humeral angles, 3' 75 mm. 



Tutuila :— Pago Pago : 1 $ (type), 20.ix.l923 (Swezey and Wilder). 



Also recorded from Fiji. 



Fiji :— Cuvu : 1 26.vi.1915 (R. Veitch). 



Allied to Ri'ptortus clavatus (Thunb.) and K. fuscus (F.), in the absence 

 of the bright yellow shining lateral fascia on underside of head and thorax, but 

 easily distinguished from both by the uniformly ferruginous dorsum, without 

 the black coloration on the metanotum, and on the first, second, and fourth 

 abdominal tergites. 



