THE BEETLES OF SOUTHERN ARIZONA. 307 



Pelidnota lugubris Lee. Tucson, Tucson Mts. During the day this 

 insect is to be found among the leaves of various small trees. At 

 night it comes to lights. 



Plusiotis gloriosa Lee. Pinal Mts. 



Cotalpa consobrina Horn. Tucson. Sometimes rather abundant about 

 the street lights. 



Cyclocephala longula Lee. Tucson. 



Chalepus obsoletus Lee. Tucson. Extremely plentiful about street 

 lamps. 



Aphonides dunnianus Rivers. Tucson. Rare, being found only occa- 

 sionally about lights or drowned in pools after sudden rains. 



Phileurus illatus Lee. Tucson. 



Allorhisa mutabilis Gory. Tucson. Abundant, and a great pest in 

 peach orchards. I found it along the road to the Tucson Mts., feeding 

 on the ripened fruit of Opuntia. Santa Rita Mts. 



Gymxetis sallei Schaum. Santa Rita Mts. 



Euphoria fascifera Lee. Tucson Mts. Two specimens were found 

 among the branches of a small tree. 



CERAMBYCIDJE. 



Ergates spiculatus Lee. Pinal Mts. Several were taken in the neigh- 

 borhood of the saw-mill. 



Mallodon melanopus Linn. Yuma. 



Prionus californicus var. curvatus Mots. Pinal Mts. 



Romaleum simplicolle Hald. Tucson. 



Aneflus linearis Lee. Tucson. 



Dexdrobias mandibularis Serv. Riverside on " palo verde." Yuma, 

 abundant on willow trees. 



Stenaspis solitaria Say. Santa Rita Mts., Tucson. 



Tragidion annulatum Lee. Santa Rita Mts. 



T. ARMATUM Lee. Pinal Mts. 



.Ethecerus latecinctus Horn. Santa Rita Mts. On mesquite blossoms. 



Crossidius intermedius Like. Tucson. 



C. nitidicollis Casey. Tucson. 



Sph.enothecus suturalis Lee. Tucson, rather common on mesquite 

 early in July. 



Ischnocnemis bivittattus Dup. A few specimens were taken on the 

 lower slopes of the Pinal Mts., or on the roadside between our camp 

 and Globe. 



Stenosphenus debilis Horn. Yuma. 



Cyllese antennatus White. Tucson. 



Ophistomis l.evicollis Bates. Santa Rita Mts. Rare. 



Monilema armatum Lee. Tucson. 



Peritapnia fabra Horn. Tucson Mts. A few were found under a 

 prostrate, partially decayed Opuntia. 



Mecas ruficollis Horn. Santa Rita Mts. 



