1340 STUDIES IN AMERICAN EPIIYDRIDAE (dIPTERa) 
Material Examined . — 27 specimens. 
CosT.\ Alajuela, September 15, (P. P. Calvert). 
Cuba: Guantanamo, Fel)ruary 10, (H. Skinner). 
PoHTo Rico: Adjuntas, June 10, (F. E. Lutz and A. J. iMutchler; at light); 
Arecibo, Alarch 1—4, (F. E. Lutz); Barros, June 4, (F. E. Lutz anti A. J. 
Alutehler; in open field); Alayaguez, February 10, (F. E. Lutz; along stream) ; 
Foothills of Alt. Duque, Nagnabo, Alarch 9, (F. E. Lutz); Side of El A'untiue. 
near Rio Grande, July 3, (F. E. Lutz; forest); [all N. Y. Ac. Sc.]. 
The material from Cuba and Porto Pico shows considerable 
white or yellow on the apices of the fore tibiae, Init otherwise 
there seems to lie no difference. 
Ochtheroidea glaphyropus Loew (Plate XX, figure 8.) 
1S7S. Athyra(jl(>s!sa ()hiphyr(>pii)ilA)ev>-,7jQits. f. Ges. Naturwiss., Berlin, li, 197. 
In this sjiecies the face is evenly convex, hardly visible, in 
pi'ofile, lieyond the orbits, and making; a continuous line with 
the generally coniiiressed cly]ieus. The surface of the niesono- 
tuni and scutelhmi is minutely granulose, giving them a dull, 
greasy appearance, but they are not iiriiinose; the setulae ari' 
numerous and niinnte. The specimens from Central and South 
America seem to be identical with those from the north. 
Description. — Black; haltcres and fore tarsi white, with apieal joints of 
latter sometimes darker; middle and hind tibiae, and tarsi, excej)! ai)ical 
joints, tawny. Wings hyaline wit h dark veins. Polished e.xcept the mesono- 
tinn and scutellum, which are somewhat obscured by the minutely granulated 
surfaces. Anterior surface of middle tibiae silvery. 
Eyes vertically elongate. Frons quadrate or orbits converging; proclinate 
orbitals minute. Face narrowed to about one-third width of vertex, dei)ress('d 
above, w'ith lower median area, in profile, evenly and gently convex and 
retreating (fig. S); bristles hair-like, arising from minute i)it s along the groove. 
Cheeks narrow', at most oiu'-fonrt h as broad as ('ye-height. .Antenmu' sit- 
uatc'd above ccider line of ('y(‘S and of the lu'ad; third joint o\'al; arista witli 
six to seven hairs above. 
.Mes(jnotal seduhn' numerous, in very close s('ii('s. Sculeilum convex oi' 
(lai.teiu'd, triangular; biistles not tuberculatc' at base's. Abdomen broad, 
ovate; segUK'iit thre'e and four subeepial; lateral margins rc'Voluie. Fe'inoral 
spiiu's w'eak, subeepial. Se'cond costal section three to tour times as long as 
third. Length. — 2 to 2.5 mm. 
Type . — cf ?; Texiis, [M. C. Z., No. 11145.]. This spociiium 
h;is been ('xamiiied tuul is in good condition. It Ix'ars a '‘Texas” 
;ind another small sipiaix; orange label, and was stdecti'd as llu' 
typ('. Anothei’ siK'cinuMi fi'om the; sami' locality was treaJi'd 
;is a paratyjx', but has tlu' ajiici's of the fore' tarsi white'. 
