Caeculus cremnicolus Enns, 1958

Bernard, Jared, Lumley, Lisa M., Buck, Matthias & Cobb, Tyler P., 2020, A new species of rake-legged mite, Caeculus cassiopeiae (Prostigmata, Caeculidae), from Canada and a systematic analysis of its genus, ZooKeys 926, pp. 1-23 : 1

Caeculus cremnicolus Enns, 1958 Figure 5

Material examined.

Canada • 2 ♀♀, 1 deutonymph, 1 tritonymph; Alberta, Waterton Lakes National Park; 29 Jul. 1980; E.E. Lindquist leg.; under rocks in canyon bottom; det. J. Bernard, 4 Mar. 2015; slide-mounted; CNCI • 1 ♀, 2 deutonymphs, 1 tritonymph; Alberta, Writing-on-Stone Provincial Park; 12 Aug. 1978; E.E. Lindquist leg.; under rocks in hoodoo area [hoodoo = rock column formed by soft sediment eroding under harder sediment]; det. J. Bernard, 4 Mar. 2015; slide-mounted; CNCI.

Previously known localities.

USA - Arkansas, Buffalo National River, Boen Gulf and Steel Creek; Petit Jean State Park ( Skvarla et al. 2013) - Missouri, Baskett Wildlife Research and Education Area, Devil’s Backbone; Easley; Wilton (holotype) ( Enns 1958).

Diagnosis.

Distinguished by its unfused mediodorsal opisthosomal sclerites, by its dark sclerites in adult mites, and by three barbed clavate b setae on the centrodorsal opisthosoma arranged in a triangle.

Figures

Figure 5. Caeculus cremnicolus, female. Micrograph of dorsal idiosoma, collected and slide mounted in 1978 by E. E. Lindquist. Scale bar: 0.5 mm.