HO 
TH. BECKER: DIPTEROLOGISCHE STUDIEN 
3. calcaratus Grimsh. cf. 
cf. — Long. corp. 2 mm; alar. 3 mm. Front dark brown. Antennae brownish, lighter towards 
the base. Thorax and scutellum obscnre brownish-yellow, schoulders lighter, halteres light yellow. 
Abdomen unicolorous, dark brown. Legs pale yellow, tips ol metatarsi and all the succeeding 
joints darker, fore pair unarmed save for two or three small fine bristles, near the tip of the femora, 
intermediate femora with a row of regularly disposed bristles beneath, tibiae thickly covered with 
hairs and bristles on both sides, on the inner side the bristles are very short and ereet, on the outer 
side much longer, semi-erect and mixed with a number of rnore decumbent fine hairs, three or 
four long and strong bristles near the tip, metatarsus spurred, a little shorter and thicker than 
the succeeding joint, hind femora with some short hairs beneath and a single subapical bristle on 
the outer side, tibiae with about eight bristles in two rows on the outer side, and three (including 
the apical one) on the inner side, metatarsus shorter than succeeding joint. 
Hab. Molokai Mts., 4 — 500 ft., 17 September 1893. 1 . cf Plate I, fig. 25, intermediate leg of cf- 
4. species. 
A male specimen of a very pec.uliar species, unfortunately in too bad a condition for description, 
was obtained on the coast, Waianae, Oahu, in January 1897. 
Emperoptera. 
Grimsh., Fauna Hawaiiensis III, 81 (1902). 
Near Chrysotus, but wings much reduced, beeing represented only by a somewhat thickened 
curvecl filiform structure, with an apparent joint (or perhaps weakness) near the base, hairy along 
the anterior margin for its whole length, and furnished at its tip with a conspicuous bristle. Front 
broad, triangulär, face narrow, especially just below the antennae, where the eyes nearly meet ; 
antennae short, the third joint hairy, arista dorsal, very long and distinctly pubescent. Thorax 
smooth and polished, scutellum with two very long and strong bristles, halteres apparently absent 
(I cannot find any trace of them in the few specimens before me). Abdomen comparatively large 
and elongated, hypopygium small and indistinct. Legs long with stout femora, unarmed except 
the intermediate and hind tibiae. Type of genus; E. mirabilis sp. nov. 
1. mirabilis Grimsh. 1 . c. fig. 
Long. corp. i 1 / 2 — 2 mm. Front black and polished with a very slight dark blue (steely) tinge, 
face black with a silvery spot just above the oral opening; antennae black, third joint very short, 
hairy and pointed, arista very long, whitish and distinctly pubescent. Thorax bluish black, highly 
polished and with few bristles, sometimes with a greenish tinge, appenclages ( ? wings) dark brown, 
much shorter than the legs, scutellum ratlier dull and blackish-brown, sometimes a little yellowish 
at the tip with two strong setae, which reach to the apex of the second abdominal segment Ab- 
domen black and polished, but duller than the thorax, slightly pubescent, base of first segment 
sometimes yellowish. Legs yellowish testaceous, tips of femora and tarsi a little darker, Hind 
femora with one or two small spines near the apex, intermediate and hind tibiae each with 4 bristles 
