183 



Aug. 23 (No. 146) ; and on flowers of the swamp milkweed, A. in- 

 carnata (Sta. I, d), Aug. 9 (No. 12). 



Nymphaud^ 



Argynnis idalia Drury. Idalia Butterfly. 



This species was taken from the flowers of the swamp milkweed, 

 A. incarnata (Sta. \,d), Aug. 12 (No. 37). 



Anosia plexipptis L. Milkweed Butterfly. (PI. XLVI, fig. 3.) 



This common butterfly was abundant upon the prairie at Sta- 

 tion I. It was observed copulating on willows at Sta. I, d, Aug. 9, 

 and when on wing was able to carry its mate, whose wings were 

 folded. It was observed on flowers of the thistle Cirsium discolor 

 at Station I (No. 155). 



LTCffiNIDiE 



Chrysophanus thoe Boisd. & Lee. Thoe Butterfly. 



This butterfly was taken on flowers of the rattlesnalte-master, 

 Bryngium yuccifolium, on the Loxa prairie (Sta. II) Aug. 13 

 (No. 55). 



The caterpillar feeds upon smartweeds (Polygonum) and dock 

 (Rumex), and also upon prickly ash, Zanthoxylum. 



SPHINGIDiE 



Hemaris diffinis Boisd. Honeysuckle Sphinx. 



This hawk-moth was taken upon flowers of the swamp milkweed, 

 A. incarnata (Sta. l,d), Aug. 12 (No. 32), and by T. L. Hankin- 

 son July 3, 191 1, at Station I (No. 7655). This moth flies during 

 bright daylight. The caterpillar lives on bush honeysuckle, snow- 

 berry, and feverwort. 



Aecthd^ 



Ammalo eglenensis Clem, or tenera Hiibn. 



This caterpillar was taken on dogbane, Apocynum medium, on 

 the Loxa prairie (Sta. II) Aug. 13 (No. 53). 



Bglenensis is reported to feed upon Asclepias tuberosa and 

 Apocynum. 



NOCTUIDiE 



Rhodophora gaurce Sm. and Abb. 



This interesting larva was not taken at Charleston, but on the 

 prairie near Vera,, Fayette county, 111., on Gaura biennis Sept. i 

 (No. 186). This specimen was determined by W. T. M. Forbes. It 



