Pinodytes angulatus 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 : 43-44

Pinodytes angulatus Peck & Cook , new species

( Figs. 35 , 310 , 319–326 )

Type material. Holotype: male ( SBPC). UNITED STATES. Oregon: Linn Co., Willamette Nat. For. Rd. 1177, Green Ck., 14miN 22miE Sweet Home, 1700’, 29.IV.72, mixed duff, E.M. Benedict, EB-641 . Paratypes (49). UNITED STATES. Oregon: same data as holotype, 1 ( SBPC) ; Benton Co., 12miW Philomath , 11.X.73, 4000’, R. Fogel, 113E, ex subterranean Martellia vesiculosa , 14 ( SBPC) ; Clackamas Co., 3mi Carver on S Baker Ferry Rd. , 22.IV.72, E.M. Benedict, EB-608, rot. twigs & leaves, 1 ( SBPC) ; Clackamas Co., 46miSE Estacada , 9.X.71, 3000’, E.M. Benedict, litter, 1 ( SBPC) ; Clackamas Co., Barton Co. Park, 0.25miS Barton, 22.IV.72, E.M. Benedict, cone scales, 1 ( SBPC) ; Clackamas Co., Mt. Hood Nat. For. Rd. S 57, 30 miSE Estacoda, 26.V.72, 2000’, E.M. Benedict, EB-687, duff, 1 ( SBPC) ; Clackamas Co., nr. Clackamas L. Cpgd. , Mt. Hood Nat For Rd. S 15miS Govt. Camp, 26.V.72, 3300’, E.M. Benedict, 5 ( SBPC) ; Lincoln Co., Waldport, Patterson St. Pk. , 14.X.67, J. & S. Cornell, 967x- 14, ex litter Pinus contorta , 14 ( JFCC) ; Linn Co., Willamette Nat. For. Rd. 1177, 0.25miW Quarterville Bridge, 13miN 23miE Sweet Home, 29.IV.72, 1900’, E.M. Benedict, EB-632, duff, 3 ( SBPC) ; Linn Co., Yellowbottom Rec. Site , 1miW Quarterville Ranger Sta., 13miN 18miE Sweet Home, 29.IV.72, 1400’, E.M. Benedict, 5 ( SBPC) ; Washington Co., 17miSW Timber , 13,VII.73, 900’, E.M. Benedict, EB-122, big keaf maple duff, 1 ( SBPC) ; Washington Co., 3miSW Tualatin off SW Tonquin Rd. nr gravel pit, 1.I.72, 200’, E.M. Benedict, EB-304, duff & moss, 2 ( SBPC) .

Material examined. We have examined 50 specimens.

Distribution. Specimens ( Fig. 310 ) are known from Benton, Clackamas, Lincoln, Linn, and Washington counties in western Oregon.

Diagnostic description. Total length 1.74–2.10 mm; greatest width 0.66–0.90 mm. Reddish brown; elongate in shape ( Fig. 35 ). Head. Finely, sparsely punctate, with reticulate microsculpture on vertex. Eyes absent. Antenna ( Fig. 319 ) 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. Finely punctate, punctures separated by 2–4 diameters; with reticulate microsculpture. Sides straight in basal one-half, then weakly rounded to apex; apical margin weakly emarginate, basal margin straight; apical angles rounded, basal angles weakly obtuse.

Elytra. Punctures variable in size; striae not impressed; microsculpture fine, dense, transverse, forming an imbricate pattern basally. Joined elytra slightly wider than pronotum; sides subparallel in basal one-half, narrowing apically. Legs. Protibia ( Fig. 320 ) broad at apex in male; two curved spines at apex of outer margin; inner margin with fine, dense spines. Mesotibia ( Fig. 321 ) curved in male, inner margin concave; strong spines on outer margin and apically. Metatibia ( Fig. 322 ) slender, straight, weakly widened in apical one-half. Metafemur ( Fig. 322 ) slender. Male protarsomeres ( Fig. 320 ) expanded; protarsomere 1 elongate, about as long as 2–4 combined; bearing elongate setae laterally and broad, thin, colorless phanerae ventrally; mesotarsomeres without phanerae. Venter. Mesoventrite ( Fig. 326 ) carinate; longitudinal carina with a median tooth; excavation behind transverse carina. Male genitalia. Median lobe of aedeagus ( Figs. 323, 324 ) elongate, broad, evenly curved at basal one-third; angulate before flattened apex. Inverted internal sac ( Fig. 324 ) with two distinctly shaped sclerites and a cluster of long spines. Parameres ( Figs. 323, 324 ) slender, about two-thirds length of median lobe; each bearing one apical and one subapical seta. Spermatheca. Elongate ( Fig. 325 ), tubular, sigmoid in shape.

Etymology. The name angulatus, Latin , angulate, refers to the shape of the median lobe of the aedeagus of this species.

Figures

FIGURE 310. Distributions of species in the Pinodytes cryptophagoides species group in northwestern United States. P.rothi, open circles in northwestern Oregon down Coast Mountains to northern coastal California. P. tibialis, closed circles in southwestern Oregon. P. angulatus, open triangles in northwestern Oregon. P. delnorte, closed squares in northwestern California. P. garibaldi, closed triangle in northwestern Oregon.

FIGURES 28–36. Pinodytes habitus photos. 28. P. cryptophagoides, total length 1.88 mm. 29. P. subterraneus, total length 3.48 mm. 30. P. imbricatus, total length 3.20 mm. 31. P. newelli, total length 2.30 mm. 32. P. capizzii, total length 1.64 mm. 33. P.rothi, total length 1.58 mm. 34. P. tibialis, total length 1.60 mm. 35. P. angulatus, total length 1.86 mm. 36. P. delnorte, total length 1.72 mm.

FIGURES 319–326. Pinodytes angulatus. 319. Male right antenna, dorsal. 320. Male right protibia and protarsus. 321. Male right mesotibia. 322. Male right metafemur and metatibia. 323. Aedeagus, lateral. 324. Aedeagus, dorsal. 325. Spermatheca. 326. Mesoventrite, lateral. Scale bar = 0.1 mm (Fig. 325), 0.3 mm (Fig. 326), 0.4 mm (Figs. 319–324).