CHIGGERS — FARRELL 



111 



146 samples, representing 24 ecological niches, collected and 

 placed on Berlese funnels. Except where noted, all collections 

 were from upland hardwoods communities. Most of the samples 



Table 2. — Distribution of Euschongastia species on mammalian hosts in the 

 Duke Forest area, September 19 h7 to December 19^9 



(A collection consisted of all host specimens of one species collected in one locality on one date) 



were taken during the months from November to April. During 

 the May-October period, five samples from surface soil of fields 

 and thickets yielded two positive for T. alfreddugesi adults; one 

 leaf accumulation from a hollow log was positive for E, pero- 

 mysci; and the one collection of a Sylvilagus floridanus mallums 

 nest from a thicket was positive for engorged T. alfreddugesi. 



Table 3, — Combinations of various species of chiggers in 91 collections of 

 Peromyscus leucopus in the Duke Forest area, September 19^7 to 



December 19U9 



During this same period, two samples from surface litter and 

 debris, two of surface soil, one of humus from logs, one from 

 under loose bark of a standing dead hardwood stub, and one 



