190 NEW SPECIES MELYRIDAE, CHRYSOMELIDAE AND TENEBRIONIDAE 



Front of the head flat, finely and evenly punctate, eyes not prominent. 



Pronotum finely and evenly punctate ; apex arcuato-truncate ; base 

 arcuate ; sides more strongly arcuate in the basal half, thence broadly and 

 evenly so to apex, very slightly sinuate just before the almost rounded 

 basal angles, serrulations small ; apical angles rounded ; margins fimbriate, 

 fimbriae not long. 



Elytra finely punctate, apical margins serrulate. 



Measurements. Length, 2.2 mm. ; width, 1.0 mm. 



Type locality. Palm Springs, Riverside County, California. Col- 

 lected on May 20th, by Mr. E. P. Van Duzee. 



Described from two females, both in the collection of the California 

 Academy of Sciences. 



Remarks. Vanduzeei differs from bicolor Casey in the color and 

 maculation of the elytra. In bicolor the elytral pubescence is blackish, 

 while in vanduzeei it is pale, except in spots as stated above. Vanduzeei 

 should follow bicolor in our lists. 



BIBLIOGRAPHY AND CABINET ARRANGEMENT. 



1. Listrus definitus Fall. 



"Occasional Papers," Calif. Acad. Sci's, 8, 248, 1901. 



2. Listrus cephalicus, new species. 



3. Listrus senilis Lee. 



Dasytes senilis Lee., Proc. Acad. Nat. Sci's, Phila., 6, 170. 

 Proc. Acad. Nat. Sci's, Phila., 358, Dec., 1866. 



Casey, Thos. L. XV. "Coleopt. Not., VI," Annals N. Y. Acad. Sci., 8, 551, 

 July, 1895. 



4. Listrus uniformis Casey. 



XV. "Coleopt. Not., VI," Annals N. Y. Acad. ScL 8, 552, July, 1895. 



5. Listrus davicornis Casey. 



XV. "Coleopt. Not., VI," Annals N. Y. Acad. Sci., 8, 552, July, 1895. 



6. Listrus coloradensis, new species. 



7. Listrus obscurellus Lee. 



Dasytes obscurellus Lee., Proc. Acad. Nat. Sci's, Phila., 6, 170. 



Proc. Acad. Nat. Sci's, Phila., 358, Dec., 1866. 



Casey, Thos. L. XV. "Coleopt. Not, VI," Annals N. Y. Acad. Sci., 8, 553, 



July, 1895. 



'8. Listrus punctatus Motsch. 

 Bull. Mosc., 1859. 

 XV. Casey, Thos. L. "Coleopt. Not., VI," Annals N. Y. Acad. Sci., 8, 543, 



July, 1895. 

 9. Listrus dilutus, new species. 



10. Listrus martini, new species. 



11. Listrus annulatus Casey. 



XV. "Coleopt. Not, VI.," Annals N. Y. Acad. Sci., 8, 559, July, 1895. 



12. Listrus rubripes Casey. 



XV. "Coleopt. Not., VI," Annals N. Y. Acad. Sci., 8, 560, July, 1895. 



