166 



from seeds of Sckrankia uncinata (Dr. G. H. Horu — Trans. Amer. Eut. 

 Soc, vol. IV, 1873, p. 340). 



Bruchus exiguus Horn. — Specimens from tlie Riley collection bred 

 from seeds of Amorpha fruticosa by A. H. Mundt, Fairbury, 111. ; also 

 bred from the same plant at Washington, D. C. 



Bruchus s]). — Larva in tieeds of Phaseolus paueijlor us, at St. Louis, Mo.^ 

 in September. The imago was not reared. 



Bruchus sp. — In seeds of Loco Weed, at Fort Collins, Colo. The larva 

 only has been observed. 



Bruchus sp. — The eggs of what is evidently a Bruchus occur on the 

 pods of Acacia Jilicina in the collection from southern Arizona. 



RECORDED ELSEWHERE. 



Bruchus discoideus Say. — " In seeds of Ipomtea leptophylla.'''' — F. H. 

 Snow (Trans. Kans. Ac. Sc, vol. v, 1877, p. 18). 



Bruchus aureolus Horn (smaller form). — "Occurs in Owen's Valley 

 (Cal.) on the flowers of Astragalus.^'' — Dr. O. H. Horn (Trans. Amer. 

 Ent. Soc, vol. IV, 1873, p. 310). 



Bruchus pruininus Horn. — " This species is found on the ironwood 

 tree of Arizona." — Dr. G. H. Horn (loc. cit., p. 528). — This plant is, in 

 all probability, Olneya tesota. 



Bruchus desertorum Lee. — " Found in the same plants with B. unifor- 

 mis and prosopls." — Dr. J. L. Leconte (Proc. Ac. Nat. Sc. Phil., vol. x, 

 1858, p. 78). — Occurs in the seed of the Screw Bean, Strombocarpus 

 puhescens, in Arizona." — Dr. G. H. Horn (Trans. Amer. Ent. Soc, vol. 

 IV, 1873, p. 320). 



Bruchus uniformis Lee. — ''Abundant in the pods of Prosopis and 

 Stromhocarpus, Colorado Desert." — Dr. J. L. Leconte (Proc. Ac. Nat. 

 Sc. Phil., vol. X, 1858, p. 77). 



Bruchus prosojns Itec. — "Found with B. uniformis^ — Dr. J. L. Le- 

 conte (loc. cit., p. 78). 



Note. — Of the remaining North American Bruchidse, Garyohorus 

 arthriticus breeds in the fruit of palmetto trees (genus Sabal) and Sper- 

 mophagus robinue is well known to infest the seeds of Gleditschia tria- 

 canthos. 



The food-plants of a few Mexican species of Bruchus may also be 

 recorded here. The species were all found at the Department of Agri- 

 culture in seeds collected by Dr. Edward Palmer in northern Mexico. 



Bruchus longicollis Fahr., in seeds of Ganavalbia n. sp. 



Bruchus compactus Sharp, ? in seeds of Ipomwa sp. 



Bruchus lucosomus Sharp., in seeds of Ipomcea sp. 



Bruchus desertorum Lee, in seeds of plant 1108 (Palmer). 



Bruchus (No. 1321) in seeds of plant 305 (Palmer). 



