108 DIPTERA 
11. A. ribesii, Becker, Wien. Ent. Zeit. Vol. to, p. 282, pl. 3, f. 1-3(1891); C.Europe. 
Strobl, Mitteil. Naturw.. Ver. Steiermark, Graz, Vol. 34, p. 201 
(1898). : 
var. nigripes, Strobl, Glasn. Bosn. Herzeg. Sarajevo, Vol. 10, p. 402 (1898); Hercegovina. 
Mitteil. Bosn. Herzeg. Sarajevo, Vol 7, p. 564 (1900). 
12. A. stentor, Melander, Trans. Amer. Ent. Soc. Vol. 28, p. 348 [1902] New Mexico. 
(Euthyneura). — Pl. 8, Fig. 80. 
13. A. Zontaki, Nowicki, Rocznik tow. nauk. Krakow, Vol. 42, p. 73 [1871] C. Europe. 
(Microphorus); Loew, Beschr. Eur. Dipt. Vol. 2, p. 249 [1871] (Micro- 
phorus), Vol. 3, p. 320 [1873] (M icrophorus). 
I1. GeNUs BROCHELLA, NOV. GEN. 
Characters. — Heavily pruinose species suggestive of Clinocera, with long projecting proboscis, 
no antennal style and with geniculate hind tibie. X Head horizontally lengthened, occiput very convex, 
subconical, eyes of both sexes widely separate, bare, facets uniform, ocellar triangle not elevated, face 
very short, vaulted over the mouth-opening, facial orbits not differentiated, sides of face continuous with 
the narrow cheeks; antenna large; joints distinct, the first joint short, cylindrical, nearly bare, the 
second joint globose, with a whirl of inconspicuous setulz, the third joint compressed oval, much longer 
and deeper than the basal joints together, with scattered brief pubescence, no trace of style or arista; 
proboscis twice as long as head, thick and straight, projecting obliquely forward, palpi ribbon-like, 
bisetose, attached at basal one-fourth of proboscis, incumbent; ocellar, postocellar and the single ver- 
tical seta short, occiput with scattered short bristles, lower side of head with straggling isolated hairs. 
Thorax somewhat flattened before the scutellum, devoid of pubescence but with setze as follows; a 
complete row of 8-12 uniform dorsocentrals, no acrostichals, three small humeral, three small posthu- 
meral, one small notopleural, two supra-alar, one intra-alar, one postalar, two converging scutellar; 
pectus with weak straggling hairs, a cluster of a dozen metapleural setule, no other pleural hairs. 
Abdomen depressed, seven segments before the large pygidium of the male, last three segments of female 
short, telescopic within the seventh segment, second segment twice girdled by closely placed shining 
pittings, less conspicuous in female, hairs not conspicuous; pygidium globose, erect, dorsal valves oval 
directed posteriorly and parallel, side valves large petaloid. somewhat truncate apically, inferior 
valves small, rounded, penis straight, extending backwards, compressed and furnished with a fine 
velvety brush underneath. Legs pollinose, not bristly, hind femora and tibize robust, coxa with scattered 
hairs, front femora with fine setze, posterior femora short-setose beneath, hind tibize geniculate at the 
very base, straight, shorter than the femur, in male tipped with an umbo which fits into a depression of 
the femur next to the trochanter and fimbriate exteriorly to the umbo; tarsi normal, pulvilli distinct, 
empodia microsetiform. 
Wings fully developed, no basal seta, costa continuing around entire margin, auxiliary vein 
straight, stopping opposite the anterior crossvein, third vein forked before end of second vein, discal 
cell large, located at middle of wing, emitting three veins, basal cells long, coextensive, anal crossvein 
reflexed, nearly in line with the lower-outer edge of the second basal and continuous with the under vein 
of the anal cell, the anal vein represented only by a disjointed fold, anal vein weak, no axillar incision; 
calypteres with weak fringe. : 
Tyne species : Brochella monticola, nov. sp. The genus has been placed with the Empidinz 
even though it has no near relatives in that subfamily. The habits and habitus of the species are sug- 
gestive of the Clinocera group, but there also it would be isolated. The low-placed antennze, lack of style, 
