36o FAUNA HAWAIIENSIS 



%. Length 2*4 to 2'5 mm. Black, half-shining, covered with a close microscopic 

 silky pubescence ; the greater part of the scape of the antennae and the four following 

 joints reddish testaceous ; extreme apex of coxae, trochanters, apex and base of anterior 

 femora, and the posterior knees, pale red ; four anterior tibiae and tarsi pallid tes- 

 taceous : hinder tibiae broadly annulated with white, the white ring being nearer the 

 top than the bottom ; tips of four anterior tarsi and the hinder pair fuscous ; the greater 

 part of the hinder metatarsus white ; spurs white ; basal third of abdomen white, except 

 a blackish mark at extreme base ; at the apex this white portion is rounded, and at its 

 junction with the black colour passes into brown. Mandibles reddish. Antennae about 

 the length of the body, i 7-jointed, the seven apical joints thicker than the basal ones. 

 Head finely punctured, the face covered with white hair. Mesonotum finely punctured. 

 From the usual transverse ridge at the base of the scutellum there runs a central 

 straight carina, and outside of this again are two curved outwardly, but it is only the 

 second which reaches the edge of the thorax ; these keels are united by fine cross-bars. 

 Scutellum smooth, shining on basal half, apical half with longitudinal striations. Meta- 

 thorax punctured, and with distinct coarse longitudinal striations, truncated at the 

 apex, and with a minute tooth at each edge. Abdomen about the length of head and 

 thorax, finely punctured, the punctures almost obsolete on the basal white portion. 

 The second segment depressed in the centre, and produced at the sides into a leaf-like 

 ridge, from the inner side of which runs an almost obsolete carina in the direction of 

 the centre of the segment, but which is not reached. The union (apparent) of the 

 second with the third segment is indicated by a fine transverse line. Wings hyaline, 

 stigma, radial and cubital nervures fuscous; other nervures pale testaceous. (Cameron.) 



Hab. Oahu. Various localities (Cameron). — Kauai : a single $ taken by Mr 

 Perkins. 



Phanerotoma Wesmael. 

 1S38. Phaiierotonia Wesmael, Nouv. Mem. Ac. Sc. Bruxelles, xi. p. 165. 



(i) Phanerotoma haivaiiensis, sp. nov. 



$. Length 2-6 mm. Brownish-yellow ; the eyes, ocelli, a spot in the depression 

 on each side of the postscutellum, a band across base of the metanotum, interrupted 

 medially, a narrow lateral stripe on first abdominal segment, subobsolete towards apex, 

 and a broad lateral band on the second and third segments, black. Wings hyaline, 

 the costae brown, the stigma and internal veins paler ; the second cubital cell is tri- 

 angular, the radius having only two abscissae, the first abscissa being almost perpen- 

 dicular, forming with the second almost a right angle, and being interstitial, or very 

 nearly, with the second transverse cubitus. 



