216 



INSECTS OF SAMOA. 



Tutuila :— 1 specimen, 760-900 ft., iv.l918, 1 specimen, 1,000 ft., 

 25.viii.1918, 1 specimen, 1,000-1,200 ft., xii.1918 (Kellers); Leone Eoad : 

 3 specimens (including holotype), 7.ix.l923 ; 1 specimen, 9.ix.l923 ; Pago Pago : 

 3 specimens, 1.x. 1923 (Swezey & Wilder). 



Upolu : — Apia : 1 specimen, 4.V.1924 (Armstrong). 

 : Savage Island (Nine) : 3 specimens, 5.viii.l918 (Kellers). 



Sidnia kellersi, sp. n. (Text-fig. 6). 

 Evidently belongs to this genus and distinguished from S. kinghergi Stal by 



the longer first antennal segment, 

 which is equal ((^) to half the 

 length of segment II, also will 

 extend for half its length beyond 

 the tip of tylus. 



Colour. — Eather uniformly 

 golden - yellow, scutellum more 

 golden - brown, eyes brown. 

 Antennae blackish, basal third of 

 segment III and of segment IV 

 pale, segment II more or less 

 brownish at base, segment I 

 golden - brown. Membrane and 

 veins uniformly brownish-black. 

 Legs unspotted, golden-yellow, 

 tibial spines black, without spots 

 at base. 



Structure. — ^. Length 3-9 

 mm., width 1-7 mm. Head : 

 width 1-19 mm., vertex -52 mm. ; 

 vertical in position, vertex and 

 frons evenly convex, forming an 

 even contour with margins of 

 eyes, base of vertex with a slight 

 carinate ridge ; tylus merging with 

 frons, suture absent. Kostrum, length 1-8 mm., reaching to middle of hind 

 coxae. Antennae : segment I, length -91 mm., thickness -15 mm., more 



Text-fig. 6. — Sidnia Jcellersi. 



