New Trechine Beetles (Coleoptera: Carabidae) 

 from the Appalachian Region 



Thomas C. Barr, Jr. 



School of Biological Sciences, 



University of Kentucky, Lexington, Kentucky 40506 



ABSTRACT. — New taxa of Pseudanophthalmus from caves in south- 

 central Kentucky are described and illustrated: P. menetriesi campes- 

 tris, P. simulans, pilosus, glo biceps, transfluvialis , cerberus cerberus, 

 cerberus completus, darlingtoni darlingtoni, darlingtoni persimilis, and 

 pubescens intrepidus. Two new species of Trechus — T (Trechus) cali- 

 ginis and T (Microtrechus) inexpectatus — are described and illustrated 

 from Camp Creek Bald, North Carolina/ Tennessee. 



The trechines are a group of small carabid beetles that includes 

 many species restricted to cool, moist microhabitats. In the Appalachian 

 region they are abundant in the Unaka mountain province of western 

 North Carolina and adjacent Tennessee as well as in caves of the 

 Appalachian Valley and Interior Low Plateaus (Barr 1979a, 1980, 1981). 

 The following previously undescribed taxa are from both Unaka and 

 Interior Low Plateau regions. 



Pseudanophthalmus menetriesi campestris, new subspecies 



Fig. 1 



Etymology. — Latin campestris, "of the plain." 



Description. — Differs from nominate Pseudanophthalmus menetriesi 

 (Motschulsky) in narrower elytra, L/W for Mammoth Cave 1.56 ± .04 

 (N = 45) and for Walnut Hill Cave (type locality) campestris 1.60 ± .04 

 (N = 45, P = .01); humeri less angular, striae deeper, intervals subcon- 

 vex, pubescence of pronotum and elytral discs relatively dense. Length 

 4.6 - 5.7, mean 5.0 ± 0.1 mm (N = 65). Aedeagus about as in P. m. 

 menetriesi. 



Type series. — Holotype male (American Museum of Natural His- 

 tory) and 41 paratypes, Walnut Hill Cave, 3.3 km S Park City, Barren 

 Co., Kentucky (Park City 7%' Quadrangle), 18 March 1966, T. C. Barr, 

 R. M. Norton, T. G. Marsh. Measurements of holotype (mm): total 

 length 5.20, head 0.90 long X 0.82 wide, pronotum 0.98 long X 1.05 

 wide, elytra 2.93 long X 1.83 wide, antenna 3.24 long. 



Distribution. — This is the geographic race from the Sinkhole Plain 

 south of Mammoth Cave National Park described but not named by 

 Barr and Crowley (1981). It ranges from the vicinity of Hardyville, Hart 



Brimleyana No. 1 1:1 19-132, October 1985 1 19 



