FAM. EMPIDID/E 
Eyes of male broadly contiguous above eyes, the upper facets more or less 
enlarged ; antenne ending in a style; bvoboscis more or less project- 
ing; bygidium not surpassing diameter of abdomen, ovipositor not 
lengthened . Jis glo n UTR TT TEER 
6. Antenne located near the middle of the head, the third joint elongate ; 
froboscis very short, nol. porreci; front of female narrow, face not 
excised io the antenne; dorsocentral brislles usually vather well 
developed ; bygidium relatively large. (Pl. 1, Fig. 8) 
Antenne located much below the middle of the head, the third joint short 
and very broad ; broboscis short ov somewhat lengthened, directed 
obliquely forward ; front of female broad, face usually excised uf 
To the antenne ; only the posterior two dorsocentrals distinctly differ- 
/ entiated ; bygidium very small . ACUTA SC Ye E 
7. Hind femora not thickened and not spinose, hind tibie not geniculate . 
Hind femora thichened, spinulose and spinose below, hind tibie 
geniculate and shortened ; third antennal joint slender and. elongate ; 
pedicel of second and third veins short. (Pl. b, Fig. 43) 
8. Wings broad toward the base, the anal angle rectangular ; discal cell 
shortened ; eyes contiguous above aud below the antenne in both 
sexes; antenna inserted at the middle of the head . : 
Wings cuneiform, no anal angle developed, discal cell elongate, anal 
crossvein abortive ; antenne three-jointed.. QUEE 
9. Third anteunal joint conical, the arista terminal ; ovipositor ensiform ; 
middle libie with several sets of bristles. (Pl. 8, Fig. 79) . 
Third antennal joint oval, the arista subdorsal; no ovipositor; middle 
tibie with only short apical bristles. (Pl. 1, Fig. 1O) . 
IO. Pedicel of the second and third veins long, anal vein incomplete ; eyes 
separated on the front; legs simple; arista thin and bare 
Pedicel of the second. and third veins short, anal vein. complete; eyes 
conliguous above as well as below the antenne; hind tibie with. 
apical spines, hind metatarsi spinulose above ; arista thick and pilose. 
1I. Pedicel of the second and third veins short, first basal cell shorter than 
second ; females dichoptic ; third antennal joint conical. EE 
Pedicel of the second. and third veins long, arising before the middle 
of the basal cells, the first basal longer than the second; eyes of 
female contiguous above the antenne; third. antennal joint more 
nearly cylindrico-conical. (Pl. 5b, Fig. 44) 
12. Basal cells attaining middle of wing, second vein ending at two-thirds 
wing-length, sections of third vein broportioned r : 4, crossveins 
dislinclly separated on fourth vein, intercalary vein entirely want- 
ing; arista lenglhened ; thorax gibbous, wilhout bristles but pubes- 
cent ; legs long and slender, the front femora thichened. basally. 
(leplaryj qi e SUM Lp A NUM Lo 
Anterior crossvein locatéd very close to origin of third vein and nearly 
or quite touching the basal crossvein, second vein ending loiward tip 
of wing, fourth and intercalary weius interrupted. byoximally, 
51 
6. 
Genus Tnicuiva, Meigen. 
Genus ANTHALIA, Zetterstedt. 
8. 
Genus ScELoLaBzs, Philippi. 
9. 
IO. 
Genus LgPrTOPEZa, Macquart. 
Genus Ocvpnou1A, Meigen. 
Genus LEPTOMETOPIELLA, nov. gen. 
Genus Horrorzsza, Bezzi. 
Genus LAMACHELLA, nov. gen. 
Genus SrENoPRocTUs, Loew. 
Genus *ErEcTROCYRTOMA, Cockerell. 
