64 Transactions Texas Academy of Science. 
joints of antennae being purplish-black. Distr. The genus is a Neo- 
tropical one. This species, like the preceding, is known only from this 
region and belongs to the semitropical fauna. 
COLYDIIDAE. 
159. Ditoma , n. sp. — Taken by Schwarz in June. Distr. Known 
only from the Lower Rio Grande region. 
160. Phloeonemus catenulatus, Horn. — Taken by Schwarz in June. 
Also taken by Wickham in July under mesquite bark. According to 
Schwarz this species is common, with its larva, beneath the bark of 
freshly cut mesquite. Distr. Arizona to Texas. 
161. Bothrideres geminatus, Say. — One specimen taken under the 
bark of a large dead ash tree, at Granjeno, Texas, May 9th. Also one 
taken by Wickham in July. Distr. New Jersey and Pennsylvania to 
Kansas and Texas. 
CUCUJIDAE. 
162. Silvanus surinamensis, Linn. Taken in June. Distr. Cosmo- 
politan. 
163. Laemophloeus modestus , Say. — Taken by Schwarz in June. 
Distr. Widely distributed. 
CRYPTOPHAGIDAE. 
164. Loberus, n. sp. — Beaten from foliage in palmetto thicket at 
Santo Tomas, June 9th and 16th. Also taken by Wickham. Det. Wick. 
Distr. Known only from the Lower Rio Grande region. Belongs to 
the semi-tropical fauna. 
165. Tomarus acutus, Reit.— 1 Taken by Schwarz in June. Distr. 
Florida to Louisiana, Texas, and West Indies. 
MYCETOPHAGIDAE. 
166. Litargus balteatus , Lee. — Taken by Schwarz in June. Distr. 
Colorado, New Mexico, and Texas to Arizona, Southern California, and 
Lower California. 
167. Berginus, n. sp. — One specimen taken from dead and dried cot- 
ton boll on standing last year’s stalk, in field at Santo Tomas, March 
24th. Length, 1J mm. Color wholly dark, clothed with a fine, short 
whitish pubesence, giving it a frosted, grayish appearance under mod- 
erate power lens. Distr. Known only from the Lower Rio Grande 
region. 
