136 I. AHMAD 



Characterized by small body ranging from 8-4-10-5 mm. ; by the short basal 

 antennal segment, which is subequal to the second and by the form of the <$ and $ 

 genitalia. 



o*. Body length, 8-4-10-5 mm., width, 1-7-2-0 mm. Head length, 1-3-1-5 mm., width, 

 1-5-1-6 mm. Antennae, segment I, 2-0-2-1 mm., II, 1-9-2-0 mm., Ill, 2-0-2-2 mm., IV, 

 2-7-2-9 mm. Rostrum, segment I, 1-3-1-4 mm., II, 1-3-1-4 mm., Ill, 0-66-0-76 mm., IV, 

 i-o-i-2 mm. Pronotum, length, 1-7-2-0 mm., width, 1-7-2-0 mm. Hind femora, 4-8-5-2 mm. 

 Hind tibia, 5-3-5-6 mm. Distance between ocelli, 0-4-0-5 mm., distance between an ocellus 

 and an eye, 0-7—0-8 mm. 



Body of small size, usually pale, tinged brownish black. Head behind ocelli brownish black, 

 underside, except brownish black bucculae and rostrum, pale unicoloured. Antennae with 

 apices of first, second and third segments brownish black, apical segments brownish black with 

 small basal portions pale. Rostrum comparatively long, extending beyond third coxae. 

 Propleuron pale, sometimes tinged with brown, with a black lateral line extending from posterior 

 margin of eye on to posterior of propleuron. Pronotal disc pale, tinged with light brown with 

 brownish black punctures, spines on posterior angles slanting posteriorly, acutely pointed. 

 Legs pale, with apices of femora, tibiae and tarsi brownish black. Hemielytra pale, with dark 

 brownish black costal margins, densely punctate. Abdomen, dorsum pale, with black marks 

 on third, fourth, fifth and sixth connexiva, seventh black, venter yellowish brown, third, fourth 

 and fifth with black marks in continuation with connexival marks on margins, round black dots 

 on third and fourth venter present on either side, median portion of seventh, visible portion of 

 eighth and pygophore brownish black. Posterior margin of seventh abdominal tergum sinuate 

 (without backward spine-like projections), medially convex, pygophore curved near apex, 

 posterior margin truncate (Text-fig. 430). 



o* genitalia : Claspers asymmetrically placed (Text-fig. 430) ; both (dorsal and ventral) 

 pairs of thecal appendages present, two pairs of lateral conjunctival appendages as in Text-fig. 

 432 ; second right bifurcated from the middle ; dorsal conjunctival appendage bow-shaped 

 (Text-fig. 432) ; frontal conjunctiva usually with three spines, close together. 



$. Very similar to 6* in general appearance and measurements, seventh abdominal venter 

 and genital structures pale ; posterior margin of seventh abdominal sternum greatly emarginate, 

 with a large median split and a fold ; backward spine-like projections on either side present 

 (Text-fig. 433). 



$ genitalia : First gonocoxae of medium size, externally as long as broad (Text-fig. 433) ; 

 triangular in form and rounded at apices (Text-fig. 438) ; intervalvular sacs absent (Text-fig. 

 436) ; spermatheca almost tubular, thicker in middle and thumb-like at apices (Text-fig. 434). 



Type material. Holotype <J, Samoan Islands : (Schmeltz), labelled " discopte- 

 rus ", Riksmus. Stockholm. 



Other material. Samoan Islands : 2 <$, 1 $ ; New Hebrides : 1 <$, 1 $. 



The range of this species extends in the west into New Hebrides and in the east 

 into Samoa Islands. Adults have been found in November and December. 



Noliphus erythrocephalus Stal 



(Text-figs. 439-447) 



Noliphus erythrocephalus Stal, 1858 : 440, 1873 : 87 



Characterized by dark black pronotum, propleuron and underside of the head, by 

 two black marks on the ventro-lateral of abdomen and by the form of the <J and $ 

 genitalia. 



