30 
the thick main stem or at the juncture of the peduncle with the stem- 
The larvae when young are almost entirely whitish, but as they become 
more mature they turn to a livid green. Every larva collected during 
the season was parasitized and failed to mature. In one instance a 
small Hymenopter was bred. In another a Tachinid was reared. The 
parasitic larva issues from the body of its host near the head. A nearly 
grown Thecla larva was found at Shreveport as early as July 1, another 
at Curtis July 3, and a very young specimen at Briar Field July 25. 
The distance between Curtis and Briar Field is about 40 miles, show- 
ing that the species is well distributed and that the observations on 
cotton were not exceptional cases. Mr. Mullen, of Harrisville, Miss., 
also reports this species feeding upon beans and corn in his locality. 
Prodenia Uneatella. — In confinement the larva feeds almost exclu- 
sively upon the young bolls and squares, showing that these insects 
have the genuine Boll Worm habit. The very young larvae are quite- 
light- colored, and in May and June are often found in the buds of 
young corn plants, feeding as does the Boll Worm. The mature worms 
have a distinct velvety black appearance, with a narrow yellow line 
dor sally and a whitish triangular patch on the front of the head. In 
September this species was received from Mr. C. F. Yarbrough, Cam- 
den, Ark., as feeding in broom corn. 
Platynota rostrana. — The head of the larva is reddish or black and a 
similarly colored calloused patch dorsad of the first segment. Body 
pale greenish, slightly hairy. In the fields upon cotton plants or when 
placed in breeding cages, they freely attack and bore into young bolls, 
feeding upon their contents. July 8, one pupated between a fold of the 
involucre which had been carefully fastened together by silk threads. 
July 13, a second larva pupated. July 15, the first pupa hatched, the 
second on July 19, the pupal state therefore being seven and six days, 
respectively. 
During April, May, and June several species of larvae ravage in the 
buds of young corn, exactly as does the Boll Worm, and many are not 
easily distinguishable from the darker Boll Worms. 
Agrotis ypsilon. — The larvae of this species were collected from corn 
April 20. These larvae are at times cannibalistic. In breeding cages a 
large specimen was Observed devouring a younger one of its own species. 
Laphygma frugiperda is abundant upon trap corn in June and July, 
and many planters had mistaken them for Boll Worms. One specimen 
of this species was taken from corn July 10 and July 29. 
Bar is wrea Boh., was found November 21, eating a small hole into the 
peduncle of a young boll. The small, round hole could not be distin- 
guished from the injury occasionally done by the young Boll Worms. 
Parajulus impressus Say is occasionally found between the involucres 
and young bolls during September and October. They sometimes feed 
at the base of the boll, causing it to drop, and leaving a black spot 
much the same as when a Boll Worm starts to enter, but deserts it with- 
out further injury. 
