Pinodytes colorado 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 : 20

Pinodytes colorado Peck & Cook , new species

( Figs. 5 , 52 , 70–78 )

Type material. Holotype: male ( SBPC). UNITED STATES. Colorado: Eagle Co., 10miN Wolcott, 8300’, 2.IX.58, aspen litter, C.C. Hoff, (213), 2F. Paratypes (14). UNITED STATES. Colorado: same data as holotype, 3 ( SBPC) ; Archuleta Co., Frances , 30.VI.41, B. Rotger, 1 ( CASC) ; Eagle Co., 7miSSE Minturn , 8900’, 30.VIII.58, lodgepole pine litter, C.C. Hoff, (180), 2F, 2( SBPC) ; Gunnison Co., 16miNNE Gunnison , 8200’, 28.VIII.58, aspen litter, C.C. Hoff, (152), 2F, 8 ( SBPC) .

Material examined. We have examined 15 specimens.

Distribution. Specimens ( Fig. 52 ) are known from Archuleta, Eagle, and Gunnison counties, Colorado. These localities are in the mountainous interior of the state, behind the Front Ranges of the Rocky Mountains.

Diagnostic description. Total length 1.50–1.66 mm; greatest width 0.56–0.58 mm. Yellowish brown to reddish brown; elongate in shape ( Fig. 5 ). Head. Finely, sparsely punctate; with substriate microsculpture on the vertex and reticulate microsculpture laterally. Antenna ( Fig. 70 ) with antennomere 2 longer than 3; antennomere 5 larger than 4 and 6; antennomere 7 larger than 8; antennomeres 9 and 10 without visible sensory vesicles. Pronotum. Finely, sparsely punctate, with reticulate to substriate microsculpture. Widest near middle, sides rounded; apical margin emarginate, basal margin straight; apical angles rounded, basal angles weakly obtuse. Elytra. Finely, sparsely punctate; punctures joined by fine transverse strioles; some punctures bearing short, erect setae. Joined elytra slightly wider than pronotum, widest in basal one-half, narrowing to apex; conjointly narrowly truncate at apex. Legs. Protibia ( Fig. 71 ) moderately slender, width increases evenly to apex; inner margin with fine spines on apical one-half; apex spinose. Mesotibia ( Fig. 72 ) similar in shape to protibia; outer margin and apex spinose; inner margin with fine spines on apical one-half. Metatibia ( Fig. 73 ) elongate, weakly curved; fine spines on apical onehalf of inner margin; spines near apex of outer margin and apically. Metafemur ( Fig. 73 ) slender. Male protarsomeres ( Fig. 71 ) and mesotarsomeres ( Fig. 72 ) not expanded, bearing elongate setae laterally and thin, broad, colorless phanerae in double rows ventrally. Venter. Mesoventrite ( Fig. 78 ) carinate; longitudinal carina not toothed, not excavated behind transverse carina. Male genitalia. Median lobe of aedeagus ( Figs. 74, 75 ) elongate, broad; apex rounded, thin. Everted internal sac ( Fig. 76 ) with elongate setae. Parameres ( Figs. 74, 75 ) weakly curved, not reaching apex of median lobe; each bearing two setae apically. Spermatheca. Tubular ( Fig. 77 ), curved.

Etymology. The name colorado , a noun in apposition, refers to the state of Colorado, USA, where this species occurs.

Figures

FIGURE 52. Distributions of basal and monobasic species groups of Pinodytes in western United States. P. newtoni, closed circles in Missouri, Arkansas, and Texas. P. borealis, closed circles in inset map of Alaska. P. punctatus, open squares in eastern Washington and northern Idaho. P.colorado, open circles in western Colorado. Note: in this and all following maps, small open circles represent major cities.

FIGURES 2–10. Pinodytes habitus photos. 2. P.newtoni, total length 1.38 mm. 3. P. borealis, total length 2.10 mm. 4. P. punctatus, total length 1.36 mm. 5. P.colorado, total length 1.66 mm. 6. P.pusio, total length 1.54 mm. 7. P. ovatus, total length 1.34 mm. 8. P. chandleri, total length 1.54 mm. 9. P. constrictus, total length 1.48 mm. 10. P.contortus, total length 1.16 mm.

FIGURES 70–78. Pinodytes colorado. 70. Male right antenna, dorsal. 71. Male right protibia and protarsus. 72. Male right mesotibia and mesotarsus. 73. Male right metafemur and metatibia. 74. Aedeagus, lateral. 75. Aedeagus, dorsal. 76. Everted internal sac. 77. Spermatheca. 78. Mesoventrite, lateral. Scale bar = 0.1 mm (Fig. 77), 0.2 mm (Figs. 74, 75, 78), 0.3 mm (Figs. 70–73), 0.4 mm (Fig. 76).