Coleopterous Fauna of Lower Rio Grande Valley. 87 
larger, with very little brownish on elytra behind; head yellowish poste- 
riorly, and prothorax with three horns on anterior margin, the middle 
horn pronounced. Female smaller, without thoracic horns ; head entirely 
dark brown, considerable brown on posterior one-third of elytra, the front 
border of this brown being usually darker than the rest and forming an 
irregular zig-zagged line extending transversely across. Antennae dark 
brown in both sexes. Underside dark brown. Legs whitish. Distr. M. 
melsheimeri occurs in California, Lower California, and Arizona. 
387. Microrhopala gracilis , Horn. — Taken by Schwarz in June. 
Distr. Known only from Texas, according to Schwarz, other localities 
being Columbus and San Diego. 
388. Brachycoryna pumila , Guer. — Taken on a malvaceous plant, 
probably Abutilon holosericeum. Also taken by Schwarz at Brownsville 
and San Diego, Texas. Distr. This is a Neotropical genus. The species 
has hitherto been known only from Tropical Mexico, Central America, 
and Colombia. 
389. Stenopodius flavidus , Horn. — Taken at Brownsville in June. 
Also taken by Schwarz at San Diego, Texas. Distr. Arizona (Winslow) 
to Southern Texas. 
390. Cassida texana , Cr. — Larvae found eating leaves of Solarium ele- 
aginifolium, April 19th to May 24th, near Matamoros, Tamaulipas, and 
at Carmen, Texas. The larva is prickly, of a rich green color, being a 
Paris-green shade. It is interesting to note that the larva is wholly green, 
except the anal brown polished horns, and the adult is also of a prevailing 
green color. A larva taken April 19th was transformed to an adult April 
27th. Those taken May 24th were full-grown. Distr. California and 
Arizona to Texas. 
391. Coptocycla aurichalcea, Fab. (teste Horn). — One specimen 
beaten by Wickham in palmetto jungle at Santo Tomas, June 30th. 
Distr. Atlantic and Middle States to Florida, Louisiana, Colorado, 
New Mexico, Arizona, California, and Lower California. Reaches the 
high Transition of Colorado and New Mexico. 
392. Coptocycla signifer, Hbst. — One taken on Verbesina encelioides 
at G-ranjeno, Texas, May 9th. Distr. Atlantic region to Kansas, Texas, 
Lower California, and Mexico. 
393. Coptocycla bonvouloiri , Boh. — Two specimens beaten from vine 
tangles in palmetto jungle at Santo Tomas, June 16th and 27th. Distr. 
Hitherto known only from Mexico, including Lower California. 
394. Coptocycla leprosa, Boh. — Several taken by Wickham in June 
and July. Distr. Mexico, extending to Southern Texas. 
395. Coptocycla marmorata, Champ. — One specimen, doubtfully 
determined as this species, beaten in woods near Rock’s Resaca. Distr. 
C. marmorata is known only from Mexico. 
