Coleopterous Fauna of Lower Rio Grande Valley. 73 
249. Eupactus nitidus, Lee. — One at night* June 11th. Distr. New 
Jersey to Texas. 
250. Catorama minuta, Lee. — Taken by Schwarz and Wickham in 
Jnne. Distr. Florida to Louisiana* Texas and Mexico. 
251. Hemiptychus punctatus, Lee. — Taken by Wickham in July. 
Distr. District of Columbia to Florida* Louisiana* and Texas. 
252. Hemiptychus, sp. — One specimen in bunch of green seeds of 
Fraxinus viridis var., on tree* June 10th. Another attracted by light* 
June 19th. Length* 2f mm. Color above brownish* with a short, 
soft brassy pubescence; below lighter, the legs* abdomen and head show- 
ing more or less reddish. Distr. Known only from this region. 
253. Sinoxylon simplex , Horn.— -Taken very numerously from dead 
woody last-year’s cotton stalks* February 13th to June 14th. The spe- 
cies works transversely of the stalk, usually two together side by side* 
which causes the breaking of the stalks. Almost any stalk when bent 
would snap off and reveal them. Distr. District of Columbia to Texas, 
Arizona, and Lower California. 
254. Sinoxylon texanum, Horn. — Flying, February 27th. Numer- 
ously attracted to light* March 14th to June 11th. One found at Rey- 
nosa* Tamaulipas* May 16th* boring into live green wood of broken 
girdled end of Prosopis juliflora branch. It had bored in a distance of 
5 mm. lengthwise with the grain. Distr. Arizona, Hew Mexico* Texas* 
and Mexico. 
255. Bostrychus bicornis, Web. — One beaten from Xanthoxylon 
pterota in palmetto thicket near Santo Tomas* August 20th. Distr. 
Atlantic Coast to Lower Mississippi Valley* Texas, and Mexico. 
256. Amphicerus punctipennis, Lee. — Taken from dead woody cot- 
ton stalks* February 13th to June 14th. Also one taken shortly before 
dark in burrow in dead guava branch on tree, it having eaten into branch 
its length* 13 mm. Three larvae, apparently this species* were found 
in this dead guava branch on splitting it up with a knife. The larvae 
have the anterior end* being the thoracic segments, much swollen or 
humped* thus approaching the humped thorax of the adult. Distr. Cali- 
fornia* Lower California* Utah* Arizona to Texas and through Mexico 
to Panama and Venezuela. Also occurs in the Sandwich and Galapagos 
Islands. 
257. Dinoderus brevis , Horn. — Bred from dead woody cotton stalks* 
June 14th. Casey has erected the genus Patea for this species. Distr. 
Southern States to Louisiana, Texas* and Northeastern Mexico. 
258. Polycaon plicatus , Lee. — Taken from dead woody cotton stalks* 
February 13th to June 14th. At light* March 19th. One beaten from 
dead branches of fallen tree in palmetto thicket near Santo Tomas* June 
27th. Distr. Known only from Texas and Tamaulipas. 
