142 ; . DIPTERA 
SuBGENUS EMPIS, LINN/EUS, S. STR. 
Characters. — Moderately small blackish or cinereous species, showing considerable differ- 
ences in the sexes. Eyes of male broadly contiguous with the upper facets enlarged. Antenne 
shortened, with basal joints about equal. ^ Acrostichals biseriate, dorsocentrals biseriate, rarely 
pluriseriate, one posthumeral, several lateral bristles and usually lateral pubescence, two or four 
scutellars; metapleural hairs numerous. Abdomen bristleless, Legs with bristles, male metatarsi more 
or less thickened, middle tibize with fine short erect pubescence along front side; legs of female more 
or less compressed and variously pennate. Wings with anal lobe well developed, axillary incision 
acute or rectangular, neuration complete, the anal vein more or less shortened, discal cell rather blunt 
apically. 
Type species : Emjis fennipes, Linnzus (Pl. 5, Fig. 48, 49), as discussed in a preceding 
paragraph.  Píerempis, Bezzi is a synonym. The subgeneric position of Niconia, Walker, founded on 
the Brazilian Emfis fenthophora, Wiedemann is not known. 
This subgenus includes species that hover about herbage, in grassy fields and in shady woods. 
The females have characteristic feathered legs, such as occur also in CojtoPAlebia. 'The species are 
confined to Europe, and among others include: E. Zsíiva, Lw., aljpicola, Str., brunnipennis, Meig., 
caudalula, Lw., chioptera, Meig., ciliata, Fab., ciliatopennata, Str., cinciunatula, Lw., cinerea, Zett., dasyprocta, 
Lw., ghigiana, Bez., gymnopoda, Bez., hyalogyne, Bez., lepidopus, Meig., malleola, Beck., melanotricha, Lw., 
nigricoma, Lw., migrilibialis, Str., feumaria, Fall, $ilosa, Lw., $lumipes, Zett., procera, Lw., frodro- 
mus, Lw., fseudomalleola, Str., pusio, Egg., rufiventris, Meig., scaura, Lw., scofulifera, Bez., serotina, Lw., 
setosa, Lw., subpennala, Macq., fanysphyra, Lw. and vernalis, Meig. 
SuBGENUS ENOPLEMPIS, BicoT 
Characters. — Species of moderate size, usually black and heavily grayish pollinose, greatly 
differing in leg structure in the sexes. Head globose, occiput with two rows of setze; proboscis one and 
one-half to two times the head-height, palpi sparsely hairy ; eyes separated, facets uniformly small; face 
with parallel sides; antennze long, the second joint about half the length of the first, style about one- 
third the last joint. Prothorax not lobose; notum bare of hairs; acrostichals and dorsocentrals small 
and uniseriate, scutellars not cruciate, one humeral, one or two presutural; no propleural, a row of 
metapleural setulze. Abdomen scarcely hairy, pits prominent, pygidium small, closed. Legs robust, 
males usually with apophyses about the hind knees or on the hind trochanters, bristles reduced, tarsi 
short-spinose beneath. Wings narrow, axillar incision rectangular, anal lobe small, discal cell 
not blunt. 
Type species : Enoplempis mira, Bigot, the original unique species. This group is well repre- 
sented in North America, the following species belonging here: E. erifes, Mel., aerobatica, Mel., 
arthritica, Mel., Bigoti, Mel., cacuminifer, Mel., canaster, Mel., clauda, Coq., dolabraria, Mel., enodis, Mel., 
falcata, Mel., gladiator, Mel., longipes, Liw., loripedis, Coq., manca, Coq., metapleuralis, Bez., mira, Big., 
mixopolia, Mel., nodipes, Mel., nuda, Lw., fodagra, Mel. fojlitea, Lw., stenoptera, Lw., teres, Mel. and 
valentis, Coq. 
SuBGENUS HAPLOMERINX, BEZzZzI 
Characters. — Body more or less yellowish, without white pruinosity in the male. Eyes of 
male contiguous, the upper facets distinctly larger than the lower. No acrostichals, dorsocentrals 
uniseriate, one or two presuturals, scutellar bristles not &ruciate. Axillar incision of wings obtuse, 
discal cell pointed. 
