268 PROCEEDINGS OF THE NATIONAL MUSEUM vol.87 



the first two or three abdominal segments also dark; legs pale. Length, 

 3 to 3.4 mm.; width, 1.4 to 1.8 mm. 



Type, male, and 6 paratypes (4 males, 2 females), U. S. N. M. No. 

 44025, collected by D. K. McMiUan, May 12, 1909. 



Type locality. — Kingsville, Tex. 



Distribution. — Texas (Corpus Christi, Brownsville, Beeville, Kings- 

 vUle). 



Food plant. — Chenopodium sp. (McMillan). 



Remarks. — This small, convex, broadly oblong, and densely pu- 

 bescent species is not easily confused with the other small species, 

 which are all slenderer and usually more depressed. It is similar to 

 the following species, M. pallida, and may possibly be an eastern 

 variety, although the punctation is finer and the aedeagus considerably 

 longer. 



MONOXIA PALLIDA, new species 



Plate 19, Figure 11 



Medium sized (about 3.5 mm.), robust, prothorax and elytra little 

 depressed, covered with rather long, pale pubescence, elytra densely 

 and rather coarsely punctate; pale yellow, usually with few elytral 

 spots, metasternum dark. Head pale with a dark median streak and 

 dark labrum; the pale pubescence covering punctation on occiput. 

 Antennae pale. Prothorax not twice as wide as long, with arcuate 

 sides and small basal tooth, little depressed; the coarse, dense punc- 

 tation nearly concealed by the closely appressed pubescence; usually 

 entirely pale, but sometimes with pale reddish-brown irregular 

 markings. Elytra broadly oblong, convex, with a short intrahumcral 

 sulcus, rather coarsely and densely pimctate and covered with dense, 

 pale, sometimes erectish pubescence; usually with few small markings. 

 Body beneath finely pubescent, pale, with the metasternum and 

 sometimes the first abdominal segments dark. Legs pale. Length, 

 3.2 to 3.8 mm.; width, 1.5 to 1.8 mm. 



Type, male, and 52 paratypes, U. S. N. M. No. 44026, collection of 

 H. Soltau. 



Type locality. — Florence, Colo. 



Distribution. — Colorado (Denver, Florence, Fort Collins, Grand Junc- 

 tion, Hotchkiss, La Veta, Kocky Ford); Idaho (Blackfoot, Parma). 



Food plants. —SugSLT beet (E. G. S. Titus, H. O. Marsh); Chenopodi- 

 um sp. (H. Lanchester). 



Remarks. — M. pallida so closely resembles M. obesula that I have 

 hesitated in describing it as specifically distinct. In general, the 

 specimens are a Uttle larger, the elytral punctation coarser, and the 

 pubescence not so fine. The aedeagus, while similar, is much shorter. 

 M. obesula is known only from along the coast of southeastern Texas, 

 and pallida has been collected only in Colorado and Idaho. Possibly 

 specimens from intermediate stations may reveal a gradation between 



