1 66 FAUNA HAWAIIENSIS 



Plate V. figs. 41 & 42. 



Varying from brownish cinereous to pale reddish-brown or dark red-brown ; mottled 

 with testaceous or flavotestaceous. Head, a smooth sinuate transverse stripe on 

 pronotum, etc. black. Legs blackish-brown, pallidly annulate. Posterior part of 

 scutellum often pallid. Membrane dilute fumate, spotted with whitish. Bucculae 

 reaching almost to base of head. Second segment of antennae one-sixth longer than 

 the third which is one-fifth longer than the fourth, second three-quarters longer than the 

 first. Anterolateral angles of pronotum with a distinct spine. Posterior femora not 

 reaching to apex of abdomen. 



t- Rostrum reaching to middle ot third abdominal segment ; sixth and seventh 

 segments beneath slightly roundly emarginate. 



$. Rostrum passing slightly beyond posterior coxae ; seventh abdominal segment 

 beneath deeply angularly emarginate. 



Long. 6^ — 9 mm. ; lat. 4 — \\ mm. 



Hab. Hawaii, Kona, 2000 to 4000 ft. (July to September and November) ; 

 Kuanui ridge (November) ; Kilauea, 4000 ft. (August) ; Kaumana, Hilo, 2000 ft. 

 (January) ; Olaa (June, September, November, December). — Maui, Waimea Mts., Jao 

 Valley (March). — Oahu, Kaala, 3000ft. (January), Perkins, Honolulu; Pipturus, back 

 of Tantalus (August). 



This is a species very variable in colour, within the limits of browns. Its head- 

 quarters seem to be in Hawaii, and it is the least rare of the species. 



(2) Mctj'arga obsciira, Blackburn. 



Metrai'ga obscnra Blackburn, 18S8, Proc. Linn. Soc. N. S. \V. (2) iii. p. 347. 



According to Blackburn, this differs — beyond unimportant colour characters — by 

 the seventh sternite being much less emarginate apically in the female. 



Hab. Hawaii, and vegetable refuse on Mauna Loa, 4000 ft. (Blackburn). 



(3) Mctrarga contract a, Blackburn. 



Metrarga contractu Blackburn, 1SS8, Proc. Linn. Soc. N. S. W. (2) in. p. 347. 



Plate V. fig. 43. 



Head, apical fourth of pronotum, the pronotal laevigation, anterior part of scutellum 

 and the abdomen above, black, thickly covered with yellowish-golden hair. Eyes 

 reddish-brown. Ocelli pale amber or reddish. Head beneath and sterna black with 

 yellow hairs, ambulacra and the posterior margin of metasternum more or less pallid. 

 Rostrum reddish-brown. First three segments of antennae pale reddish-brown, fourth 

 black. Pronotum and scutellum (except as above) pale olivaceous or brownish, punctured 



