34 Psyche [February 



Eriocera Macquart. 



1830. Caiop/era Gucrin; Voyage de la Coquille; Zobl.; pi. 20; f. i. 



1838. firiocera Macquart; Dipt. Exot.; vol. I, pt. 1; p. 74. 



1838. Evanioptera Guerin; Voyage d' la Coquille; Zool.; vol. i, pt. i; p. 287. 



1848. Pteroco^mus Walker; List Dipt. Brit. Mus.; vol. I. p. 78. 



1850. Allttrithmia Loew.; Bernstein und Bernsteinfauna, p. 38. 



1857. Oligomera Doleschall; Naturk. Tijds. v. Ncderl. Ind.; vol. 14, p. 11. 



1859. Arrhenica Osten Sacken; Proc. Acad. Nat. Sci. Phil.; p. 242. 



185!). Physecrania Bigot; Ann. Soc. Ent. Fr.; p. 123; pi. 3, fig. 1. 



1912. Androdosma Enderlein; Zobl. Jahrb; vol. 32, pt. 1, p. 34, fig. U, V. 



Eriocera is one of the dominant genera of the crane-flj' fauna in 

 Neotropical countries. Tiie key gi\en below is based on a study 

 of specimens of many of the species and a careful consideration of 

 the original descriptions. It should, however, be supplemented 

 by the original description wherever this is possible. 



.1 Key to the Neotropical Species of Eriocera. 



1. Wings dark colored with hyaline or yellowish cross-bands, or wings light col- 



ored with dark cross-bands 2 



Wings, whether dark colored or not, uniform, or nearly so, in color, not cross- 

 banded 13 



2. W'ings light-colored with three dark cross-bands, [small species; length, 9, 



8 mm.l. (Porto Rico.) trifasciata Roder- 



Wings dark colored with hyaline or yellowish cross-bands 3 



3. Head dark colored, not red or yellow 4 



Head yellowish or reddish 5 



4. Base of the wings pale; femora with the basal third and a ring at the second 



third yellow; first four abdominal segments bright yellow; head with a 



yellowish-grey bloom. (Colombia.) braconides End.' 



Base of the wings dark; legs, abdomen (with the exception of the apical seg- 

 ments of the 9 ) and head entirely black. (Guatemala.) .... magnifica, sp. n. 



5. Tip of the wing dark colored 6 



Tip of the wing pale giving the wing the appearance of having an apical yellow 



cross-band. (Xorth Brazil.) perpulchra, sp. n. 



6. Wings pale brown with a mo<lerately narrow, hyaline band, whose distal edge 



is limited by the cord; a small brownish stigmal spot [antennse bright brown- 

 ish-yellow; thoracic dorsum brownish-yellow with three greyish brown stripes; 

 femora with middle third and apical quarter brown on a ochraceous-yellow 



ground]. (Colombia.) virgiilalirenlria End.' 



Wings darker brown with the cross-band usually wider; stigma not distinct . . .7 



' Roder, V. von; Stett. Entomol. Zeitung; vol. 46, p. 338; 1885. 



5 Enderlein, G.; Zool. Jahrbuch; vol. 32, pt. 1: p. 47, (f. B'); 1912. 



•Enderlein, G.; I. c.; p. 47, 48; (f. c'); 1912. 



