Pinodytes eldorado 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 : 24-25

Pinodytes eldorado Peck & Cook , new species

( Figs. 11 , 87 , 120–127 )

Type material. Holotype: male ( CSCA). UNITED STATES. California: El Dorado Co., 1.6 mi W Quintette, IV- 4-1971, Berlese pine duff, Fred G. Andrews . Paratypes (11). UNITED STATES. California: same data as holotype, 11 ( CSCA) .

Material examined. We have examined 12 specimens.

Distribution. Specimens ( Fig. 87 ) are known only from El Dorado County, on the western side of the Sierra Nevada Mountains, California.

Diagnostic description. Total length 1.14–1.28 mm; greatest width 0.63–0.74 mm. Reddish brown; oval in shape ( Fig. 11 ). Head. Punctation fine, scattered; a larger puncture on each side of apex of stem of epistomal suture; shining, with transverse substriate microsculpture on vertex and laterally. Eyes absent. Antenna ( Fig. 120 ) with antennomeres 2 and 3 subequal in length; antennomere 5 wider than 4, slightly narrower than 6; antennomere 7 longer but not wider than 8; antennomeres 9 and 10 each with a single sensory vesicle indicated apically by a protruding flange. Pronotum. Finely punctate, punctures separated by 1–4 diameters; shining, with transverse substriate microsculpture. Widest at base, sides curving to apex; apical margin weakly emarginate, basal margin nearly straight; apical angles rounded, basal angles narrowly rounded. Elytra. Moderately finely punctate; longitudinal rows discernable basally near suture; punctures joined by fine transverse strioles. Slightly wider than pronotum, widest in basal one-third, roundly narrowing to apex. Legs. Protibia ( Fig. 121 ) slender, width at apex about 2X width at base; spinose on outer margin and apically; fine spines on apical three-fifths of inner margin. Mesotibia ( Fig. 122 ) moderately slender, straight; strongly spinose on outer margin and apically; spinose on apical two-fifths of inner margin. Metatibia ( Fig. 123 ) moderately slender, straight; strong spines near apex of outer margin and apically; smaller spines on apical one-half of inner margin. Metafemur ( Fig. 123 ) slender. Male protarsomeres ( Fig. 121 ) weakly expanded, bearing elongate setae laterally and broad, thin, colorless transverse phanerae ventrally. Mesotarsomeres without phanerae. Venter. Mesoventrite ( Fig. 127 ) carinate; longitudinal carina with tooth near middle; not excavated behind transverse carina. Male genitalia. Median lobe of aedeagus ( Figs. 124, 125 ) broad, with flattened acute apex. Inverted internal sac ( Fig. 125 ) with several elongate spines and clustered small spines. Parameres ( Figs. 124, 125 ) elongate, broad, with thin, flattened apices; extending beyond apex of median lobe; each bearing two setae before apex. Spermatheca. Globose ( Fig. 126 ).

Etymology. The name eldorado , a noun in apposition, refers to the type locality of this species in Eldorado Co., California.

Figures

FIGURE 87. Distributions of species in the Pinodytes pusio species group in the southwestern United States. P.pusio, closed circles in the Sierra Nevada and Coast Range mountains of central and southern California. P. ovatus, closed triangles in the Coast Range mountains of southwestern Oregon. P. chandleri, open triangles in the Coast Range mountains of northern California. P. constrictus, open circle in the transverse mountain ranges north of Los Angeles, California. P. contortus, closed square in the northern Sierra Nevada mountains of California. P. eldorado, open squares in the the northern Sierra Nevada mountains of California.

FIGURES 11–18. Pinodytes habitus photos. 11. P.eldorado, total length 1.28 mm. 12. P. fresno, total length 1.54 mm. 13. P. gibbosus, total length 1.68 mm. 14. P. humboldtensis, total length 1.46 mm. 15. P.idaho, total length 1.28 mm. 16. P.klamathensis, total length 1.34 mm. 17. P.losangeles, total length 2.10 mm. 18. P. marinensis, total length 1.04 mm.

FIGURES 120–127. Pinodytes eldorado. 120. Male right antenna, dorsal. 121. Male right protibia and protarsus. 122. Male right mesotibia. 123. Male right metafemur and metatibia. 124. Aedeagus, lateral. 125. Aedeagus, dorsal. 126. Spermatheca. 127. Mesoventrite, lateral. Scale bar = 0.1 mm (Fig. 126), 0.3 mm (Figs. 120–125, 127).