ON SOME RHYNCHOTA 80S 



5. Gerris kampaspe sp. n. 

 Belongs to subg. Limnometra Mayr. 



Size and general structure of minuta (Mayr) (*), but readily 

 distinguished by its much greater breadth. Fulvo -cinereous; a 

 diamond-shaped mark on the head, a median longitudinal line 

 on the pronotum, and legs — blackishbrown. Venter pale ci- 

 nereous. Elytra dark fulvo cinereous with blackish nervures. — 

 Length 5 J / 2 - 7 '/ 2 mill. 



New Guinea: Kelesi (Loria), Rigo (Loria). 



6. Gerris darthula, sp. n. 



Belongs to subg. Limnogonus Stài and is closely allied io 

 pecloralis (Mayr), but distinguishable by the much broader, less 

 compressed, anterior pronotal lobe. 



Shining black; a U-shaped mark on the head, 2 short sub- 

 median longitudinal lines on anterior lobe, and a central, and 

 lateral lines on posterior lobe of pronotum — pale yellowish. 

 Connexivum and a median longitudinal line on the abdomen 

 above, whitish-yellow, sutures black. Venter whitish yellow. 

 Elytra blackish grey, nervures blackish. Spines of connexivum 

 very short. — Length 8 V 2 m ^- 



New Guinea: Paumomu River (Loria). 



7. Halobates princeps F. B. White. 



New Guinea: Varbusi (Beccari): Goram (D' Albertis). 



8. Rhagovelia peggiae, sp. nov. 



Apterous form, 9 . Very hairy and pubescent. 



Elongate; abdomen one half longer than head and thorax 

 together. First segment of antennae (taking a straight line from 

 base to apex) i / 7 longer than the second and 2 / 7 longer than 

 third, which is l / 6 longer than the fourth. Pronotum distinctly 

 sutured from mesonotum. Femora inerassate, but not greatly; 

 anterior tibiae inerassate but not dilated ; intermediate femora 

 nut constricted in the middle, ultimate segment of intermediate 



(') This and the following two species will be described at greater length in 

 another place. 



