183 



Aug. 2}^ (No. 146) ; and on flowers of the swamp milkweed, A. in- 

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



Nymphalid^ 



Argynnis idalia Drury. Idalia Butterfly. 



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

 A. incaruata (Sta. I. f/), Aug. 12 (No. T^y) . 



Anosia f^Icxippus 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 Cirsinin discolor 

 at Station I (No. 155). 



Lyc^nid.^ 



Chrysophanits. tlioe Boisd. & Lee. Thoe Butterfly. 



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

 Eryngiuni \uccifolmin, on the Loxa prairie (Sta. II) Aug. 13 

 (No. 55). ' 



The caterpillar feeds upon smart weeds (Polygonum) and dock 

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



Sphingid.e 



Hciiiaris diffinis Boisd. Honeysuckle Sphinx. 



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

 A. iucarnata (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 davlight. The caterpillar lives on bush honeysuckle, snow- 

 berry, and feverwort. 



Arctiid^ 



Aiunialo eglcncusis Clem, or tenera Hiibn. 



This caterpillar was taken on dogbane, Apocynum medium, on 

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



Eglcncusis is reported to feed upon Asclcpias tuhcrosa and 

 Apocynum. 



NOCTUID^ 



Rhodoplwra gourcr Sm. and Abb. 



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

 prairie near \>ra,_ Favette county. 111., on Gaura biennis Sept. i 

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



