304 NATURAL HISTORY BULLETIN. 



TROGOSITID.E. 

 Trogosita virescens Fabr. Pinal Mts. 

 Texebrioides sp., probably sixuata Lee. Pinal Mts. 

 Hesperob.exus abbrevhtus Mots. Pinal Mts. 

 Bactridium striatum Lee. Yuma. 



BYRRHID^E. 

 Limxichus axalis Lee. Riverside. 



Physemus mixutus Lee. Yuma. This has the habits of a Limnichus and 

 comes out of its burrow in wet banks when water is thrown thereon. 



PARNID.E. 

 Dryops prodcctl's Lee. Common in the creek at Riverside, under 

 stones. A new species of the family, not placed as to its generic affin- 

 ities, was taken at street lamps in Tucson. 



HETEROCERIDJE. 

 Heterocerls coLLARis Kies. Riverside. 

 H. pusillus Say. Yuma. 



ELATERID^E. 



Lacox illimis Horn. Tucson. 



Meristhus scobixlla Cand. Tucson. 



Chalcolepidius webbii Lee. Yuma. Rather abundant on living willow 



trees, either near the ground or among the branches. 

 Alaus lusciosus Hope. Riverside. 

 Horistoxotus simplex Lee. Tucson, at street lamps. 

 Esthesopus dispersus Horn. Pinal Mts. 

 Cryptohypxus pectoralis Say. Riverside, rather abundant along the 



creek bottom. Pinal Mts. 

 Moxocrepidils sordidus Lee. Pinal Mts. 

 M. athoides Lee. Tucson, not uncommon at lights. 

 Dicrepidius corvixus Cand. Tucson. 

 Elater fastus Lee. Tucson, Riverside. 

 Drasterius elegans Fabr. Riverside. 

 Ludius texaxus Lee. Tucson, Riverside. 

 Dolopius lateralis Esch Tucson. 

 Melaxotus fissilis Say. Yuma, Tucson Mts. 

 M. cribricollis Cand. Tucson Mts. A rare species which had been lost 



for many years. A few examples were found under a dead yucca 



trunk. 

 Aplastus corymbitoides Horn. Pinal Mts. 



THROSCIDyE. 

 Throscus sp. near sericeus Lee. Pinal Mts. 



BUPRESTID^E. 

 Hippomelas sphexicus Lee. Tucson, Santa Rita Mts. Not infrequently 

 found on various shrubs and trees, usually resting near ends of small 

 branches. 



