182 



Forbes ('03 — 22d Rep. State Ent. 111. — p. 8) gives a summary of what 

 is known of this species. It is a corn pest, has been found widely 

 dispersed in Illinois, and hibernates as an adult beetle. A tachinid 

 fly has been bred from the larva of .S'. robiistiis Horn. (Coquillett, 

 '97, p. 18.) 



CURCULIONID.i: 



Ccntrinus peniccllus Hbst. 



This snout-beetle was taken on the flowers of goldenrod, Soli- 

 dago (near Sta. I, a), Aug. 12 (No. 26); another specimen was 

 taken from Sullivant's milkweed, Asclepias siillivantii (Sta. I), Aug. 

 12 (No. 41). Forbes and Hart ('00, p. 493) state that it has been 

 taken in the "latter part of July and August." It injures beet leaves, 

 but its early life history is not known. 



Ccntrinus scitfcUiini-album Say. 



This beetle was taken at Station I, July 3, 191 1. by T. L. Hank- 

 inson (No. 7665). It has been taken from a number of flowers in 

 which it fed upon pollen (Pierce, '07, p. 284). The larva of Cen- 

 trimis picumniis Hbst. has been found injuring Setaria (Webster, in 

 Insect Life, \^ol. I, p. 374. 1889). 



LEriDOPTERA 

 Papiugnid^e 



Papilio polyxcncs Fabr. Celery Butterfly. 



This common butterfly was taken on wing along the railway 

 track near the swamp milkweed (Asclepias incaruata) colony (Sta. 

 I, d) Aug. 9 (No. 15), and from a web of the common garden 

 spider Argiopc aurantia, among these milkweeds (No. 45). Chitten- 

 den (Bull. 82, Bur. Ent. U. S. Dept. Agr., pp. 20-24. iQOQ) gives 

 a brief account of this common species which feeds upon umbellifers. 

 It was very abundant on parsley in the J. I. Bates garden (near 

 Sta. R', a)'Aug. 26 (No. 174). 



PlERID^ 



Pontia rap(c Linn. Cabbage Butterfly. (PI. XLVI, fig. i.) 



A mutilated specimen of this butterfly, which had been captured 

 bv a robber-flv, was secured bv E. N. Transeau (Sta. HI, h, Aug. 15 ; 

 No. 61). 



Bnrynuts philodicc Godart. 



This butterfly was taken on the flowers of Pycnanthcnuim pilo- 

 sitni in a cleared area bordering the Bates woods (near Sta. IV, a) 



