C. H. TYLER TOWNSEND — BIOGEOGRAPHY OE MEXICO, ETC. 
41 
Cor dia. (15) These two species belong to the lanipes group, occurring 
also from Maryland to Florida, tropical Mexico, and Brazil. 
30. Trichopoda pennipes var. pilipes Fab. — Jnne 18 to Jnly 10. Most- 
ly on flowers of the Cordia. (40) 
31. Trichopoda pennipes Fab. — March 9 to Jnly 18. Mostly on flow- 
ers of the Cordia. (39) These two belong to the pennipes gronp, ex- 
tending from the lowlands of the northern United States to Argentina. 
32. Trichopoda histrio var, indivisa Towns, (n. var.). — Jnne 30. On 
flowers of the Cordia .. Belongs to the histrio gronp, extending from 
Connecticnt through the eastern lowlands of the United States and 
Mexico to Brazil. (41) 
33. Trichopoda phasiana Towns, (n. sp.). — Jnne 30 to Jnly 13. On 
flowers of the Cordia. Belongs to a Neotropical gronp, not before known 
ontside of South America (Brazil). (42) 
' 34. Acaulona costata Wulp. — July 12. On flowers of the Cordia. The 
genus is so far known only from the tropical Gulf coast region of Mex- 
ico. (14) 
35. Cistogaster immaculata Mcq. — March 18. (16) 
36. Cistogaster occidua Walk. — March 9. (43) The genus is so far 
known from the lowlands of the northern United States to tropical Mex- 
ico and the West Indies. 
37. Penthosia satanica Big. — Jnly 4 to 6. On flowers of the Cordia. 
Known only from tropical Mexico. (17) 
38. Xanthomelanodes arcuata Say. — March 28 to Jnly 16. On flowers 
of the Cordia mostly. The genus occurs from Maryland, Indiana and 
Illinois, to Florida and tropical Mexico. (44) 
39. Saundersia rufopilosa Wulp. — March 23 and 24. Heretofore re- 
corded only from Guatemala apd Costa Bica. (18) 
40. Belvosia bicincta Desv. — Jnly 16. On flowers of the Cordia. (19) 
" 41. Belvosia bifasciata Fab. — June 20. (20) These two forms of 
Belvosia occur from the United States generally, to Brazil. 
42. Phasiopteryx bilimehi B. & B. — March 9. Known only from Mex- 
ico, but reaching the lower Bio Grande. The genus extends to Brazil, 
where it is represented by P. depleta Wd. (21) 
43. Euantha dives Wd. — March 6 to 16. Florida and Kentucky to 
South America. (22) 
44. Lipoptena depressa Say, var. mexicana Towns, (n. var.). — March 
27. On Mexican white-tailed deer, Cariacus virginianus ' mexicanus. 
The only record of L. depressa (typical form) is from Pennsylvania, 
which is the original locality given by Say, since when the species has 
never been recorded until now from Mexico. (45) 
Hone of the above species from the Bio Uautla was found by me on 
the lower Bio Grande, excepting Phasiopt. bilimeki. Baccha phaeoptera 
