74 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



Dorymyrmex pyramicus (Roger) flavus IVrgande. 



This form also nests in the ground on the prairie. Worker 

 have been taken on plants. On February 20. 1909, a worker 

 was taken from the cell of a beetle larva in a root of Choiopo- 

 diinn. It has been taken on Hclc nitiin, October 28,1907, and 

 on Croton, September 19 (Mitchell). 



Iridornyrmex analis Ern. Audio. 



Taken on Acucia, July 8, 1907 (Mitchell). The species nests 

 in the ground. 



Forelius maccooki Forol. 



Winged forms were taken at lights, July 13, 1910. Workers 

 were collected on He I 'in u t '/ins September 8, 1907 (Mitchell). 

 This species nests in hard ground. 



CAMPONOTID.E. 



Prenolepis (Nylanderia) longicornis Latreille. 



Specimens were found in huisache ( I \icheUia farticsiamf) 

 pods, September 21, 1908 (Mitchell). 



Prenolepis (Nylanderia) vividula Xylandcr. 



A colony of seven queens, workers, and larvip was found 

 under bark of a pecan tree, one foot from the ground, January 

 22, 1910 (Mitchell). 



\ Prenolepis (Nylanderia) vividula (Xvlander) melanderi Wheeler. 



Large numbers of winged forms were collected, flying, 

 running, and mating, March 2, 1909. A winged male was 

 taken on mistletoe January 16, 1911 (Mitchell). The species 

 has been found nesting under logs. 



Formica pallidefulva (Latreille) schaufussi (Mayr) meridionalis 



Wheeler. 



Collected at Victoria, August, 1904 (C. M. Walker), and 

 at Edna, May 7, 1907 (Mitchell). 



Camponotus herculeanus (Linnaeus) pennsylvanicus DeCiror. 



This large black ant occurs in the wooded regions. < MI 

 May 7, 1908, a nest was found in a post-oak tree, 8 feet from 

 the ground. The ants on the ground were in combat with 

 Pogonomyrmex barbatus molefaciens, and seemed to get the 

 worst of the fray. On March 21. 1909, a terrific wind storm 

 broke off the top of a cottonwood tree. A colony of this 

 species was located in the decayed section, which had been 

 fully 40 feet from the ground before the accident. After 



