1 68 FAUNA HAWAIIENSIS 



head. Second and third segments of antennae equal, each one-third longer than the 

 fourth, two-thirds longer than the first. Rostrum reaching to base of fourth abdominal 

 segment, first segment reaching slightly beyond base of head. Anterolateral margins of 

 pronotum rounded. 



$. Si.Kth abdominal sternite angularly emarginate apically ; seventh acutangularly 

 emarginate. 



Long. 5 — 5^ mm. ; lat. 2\ — 3 mm. 



Hab. Maui, Lahaina, 3000 ft., Koebele. — Oahu, not rare among rotten leaves, etc. 

 at the foot of a precipice on the mountains five or si.x miles from Honolulu (White) ; 

 Honolulu, 2000ft. (June); Waiolani (June). 



The ground colour varies from brownish-cinereous to brownish-black. None of the 

 five examples I have seen possess the villosity characterized by White. 



The general characters forbid its being a brachypterous form of contracta. 



Fam. NAEOGEIDAE. 



(=Hebridae auctt.) 



Merr.\gata F. B. White. 



Merragaia F. B. White, 1877, Ann. Mag. Nat. Hist. (4) xx. p. 113. 

 Lipogoniphus Berg., 1879, An. Soc. Cient. Argent. (Hemipt. Argent, p. 286); and 

 1883, op. cit. IX. p. 14 (Addenda, Hem. Arg. p. 116). 



A Central and South American genus, probably introduced into the Hawaiian 

 Isles. 



(i) Merragata hebroides, F. B. White. 



Merragata hebroides F. B. White, 1877, Ann. Mag. Nat. Hist. (4) xx. p. 114, and 

 1878, op. cit. (5) I. p. 366 ; Champion, Biol. Centr. Amer. Heteropt. 11. p. 122, 



PI. VIII. fig. 7. 



" On small stagnant pools formed by the temporary overflow of streams on the 

 higher mountains. When the pools dry up the insect frequents the holes where the 

 water has been " (White). Found also in Me.xico. 



1 have examined the type and another example in the Perth Museum, and there is 

 also another in the British Museum. Mr Perkins has not taken it. 



The Hawaiian examples are a trifle larger than the Mexican, one female measuring 

 just over two millimetres in length. 



H.AB. Hawaiian islands (Blackburn). No one island mentioned. 



