Pinodytes setosus Peck & Cook, 2011

Peck, Stewart B. & Cook, Joyce, 2011, Systematics, distributions and bionomics of the Catopocerini (eyeless soil fungivore beetles) of North America (Coleoptera: Leiodidae: Catopocerinae) 3077, Zootaxa 3077 (1), pp. 1-118 : 48

Pinodytes setosus Peck & Cook , new species

( Figs. 41 , 359 , 368–375 )

Type material. Holotype: male ( FMNH). UNITED STATES. Oregon: Curry Co., 6.7 mi NE Brookings, 100’, 4.VII.1975, berl. litter, mixed hdwd. riverbottom forest, A. Newton . Paratypes (20). UNITED STATES. Oregon: same data as holotype, 7 ( FMNH) ; Curry Co., 20kmNE Brookings , N42°08.750’ W124°09.256’, 5.VI.2003, 60m, S. Peck, 03–94, mix. for. log litter Ber., 2 ( SBPC) ; Curry Co., 4miN Pistol River , 23.V.1958, floor litter, 2 ( FMNH) ; Curry Co., 5miN Gold Beach , 11.V.1955, J. Capizzi, Myrtle duff, 1 ( OSAC) ; Curry Co., 7kmNW Brookings , N42°05.607’ W124°20.061’, 5.VI.2003, 50m, S. Peck, 03–93, mix. for. log litter Ber., 3 ( SBPC) ; Curry Co., Gold Beach , 19.VIII.1961, W. Suter, 1 ( FSCA) ; Curry Co., Myrtle Grove, Loeb St. Pk. , 7miE Brookings , 22.V.1957, H.S. Dybas, 1 ( SBPC) ; Curry Co., Whalehead Beach of S.H. Boardman St. Pk., 7miN, 3miE Brookings , 12.II.1972, sea level, E.M. Benedict, EB-404, 2 ( SBPC) ; California: Del Norte Co., Smith R. cutoff, 13.X.1954, V.D. Roth, 1 ( EMEC) .

Material examined. We have examined 21 specimens.

Distribution. Specimens ( Fig. 359 ) are known from Del Norte County, northwestern California, and Curry County, southwestern Oregon.

Diagnostic description. Total length 1.54–1.96 mm; greatest width 0.68–0.86 mm. Dark reddish brown; elongate in shape ( Fig. 41 ). Head. Finely, sparsely punctate, shining, with reticulate microsculpture. Eyes absent. Antenna ( Fig. 368 ) with antennomere 2 slightly longer than 3; antennomere 5 larger than 4 and 6; antennomere 7 clearly larger than 8; antennomeres 9 and 10 lack visible sensory vesicles. Pronotum. Punctures slightly larger than on head, separated by 2–5 diameters; a few scattered large punctures; shining, with reticulate microsculpture. Widest at basal one-third; slightly narrower than elytra; sides weakly rounded, converging in apical two-thirds; apical margin emarginate, basal margin nearly straight; anterior angles broadly rounded, posterior angles weakly obtuse, narrowly rounded. Elytra. Punctation fine to coarse, confused; punctures joined by transverse strioles; subbasally with an impressed transverse striole connecting a row of punctures. Slightly wider than pronotum; sides parallel in basal one-third, then converging to apex. Legs. Protibia ( Fig. 369 ) narrow at base, broad at apex in both sexes; two curved spines near apex of outer margin; apical one-half of inner margin with fine, dense spines. Mesotibia ( Fig. 370 ) in both sexes narrower than protibia; with strong spines on outer margin, apical one-half of inner margin and apically. Metatibia ( Fig. 371 ) in both sexes slender in basal one-half, slightly swollen apically; apex with strong spines. Metafemur ( Fig. 371 ) moderately slender in both sexes. Male protarsomeres ( Fig. 369 ) weakly expanded; protarsomere 1 as long as 2 and 3 combined; bearing elongate setae laterally and a double row of overlapping thin colorless phanerae ventrally. Mesotarsomeres without phanerae. Venter. Mesoventrite ( Fig. 375 ) carinate; longitudinal carina with median tooth; excavation behind transverse carina; with patches of dense white setae lateral to longitudinal carina. Male genitalia. Median lobe of aedeagus ( Figs. 372, 373 ) elongate, broad, apex broadly rounded and dorsoventrally flattened. Inverted internal sac ( Fig. 373 ) with several sclerites. Parameres ( Figs. 372, 373 ) slender; not reaching apex of median lobe; each bearing two apical setae. Spermatheca. Tubular ( Fig. 374 ), angulate near middle.

Etymology. The name setosus, Latin , setose, refers to the characteristic patches of dense white setae on the mesoventrite of this species.

Figures

FIGURE 359. Distributions of species in the Pinodytes cryptophagoides species group in northwestern United States. P. isabella, open triangle in northern Idaho. P.orca, closed square in southwestern Oregon. P.setosus, closed triangles in southwestern Oregon and northwestern California. P. shoshone, closed circles in northern Idaho. P. sinuatus, open squares in southwestern Oregon.

FIGURES 37–43. Pinodytes habitus photos. 37. P.garibaldi, total length 2.80 mm. 38. P. haidagwaii, total length 3.04 mm. 39. P. isabella, total length 2.18 mm. 40. P.orca, total length 4.20 mm. 41. P.setosus, total length 1.96 mm. 42. P. shoshone, total length 2.18 mm. 43. P. sinuatus, total length 2.28 mm.

FIGURES 368–375. Pinodytes setosus. 368. Male right antenna, dorsal. 369. Male right protibia and protarsus. 370. Male right mesotibia. 371. Male right metafemur and metatibia. 372. Aedeagus, lateral. 373. Aedeagus, dorsal. 374. Spermatheca. 375. Mesoventrite, lateral; dotted line indicates area of setal patch. Scale bar = 0.1 mm (Fig. 374), 0.3 mm (Figs. 372, 373, 375), 0.4 mm (Figs. 368–371).