Sonoma nhunguyeni, Ferro & Carlton, 2010

Ferro, Michael L. & Carlton, Christopher E., 2010, Fifteen new species of Sonoma Casey from the eastern United States and a description of the male of Sonoma tolulae (LeConte) (Coleoptera: Staphylinidae: Pselaphinae), Insecta Mundi 2010 (137), pp. 1-44 : 22

12. Sonoma nhunguyeni new species

Fig. 12 , 29 ; Map 9

Description. Holotype, male. Measurements: head 0.32 long, 0.40 wide; pronotum 0.40 long, 0.46 wide; elytra 0.70 long, 0.38 wide; antennomeres 1-11 total 0.90; total length 1.92.

Head. Eyes prominent, maximum length in dorsal view 9/10 length of first antennal segment, with approximately 30 facets. Antennomere 2 approximately 7/10 width of 1; 3 smallest.

Thorax. Elytra with row of 4 sutural hemi-foveae in basal 2/5; 2 foveae laterad of second hemi-fovea; single fovea laterad of distal fovea; central row of 6 foveae in basal 2/5. Winged.

Abdomen. Transverse row of microtrichia on first visible tergite narrowly interrupted at midline. No abdominal foveae. Basal pubescence present on all visible ventrites.

Aedeagus. Asymmetrical. Left paramere: short, blunt, parallel sided; sclerotized lateral apical spine directed posteriorly; apex with 6 thick setae. Endophallus: lateral digitate process, broad basally, narrowed apically, ventrad from right paramere, curved dorsally; apical 2/5 wide, parallel sided, bearing a dorsal lamina from right lateral margin curved obliquely across dorsal surface and terminating on left lateral margin, apex blunt. Right paramere: wide; dorsolateral setose process small, bearing 2 setae; lateral constriction at level of digitate process of endophallus shallow; apical half parallel sided, curved mesad; apex obliquely truncate. Parameres with few widely scattered tubercles.

Type Material. Holotype, male: *ALA., Jackson Co. 5mi. N.Garth 19.V.1972 S.Peck.Ber. 239 / CNCI Ottawa, Canada / [male symbol] ( FMNH) (1M). Deposited in FMNH.

Paratypes (n=5): UNITED STATES: ALABAMA: Jackson Co.: *Horseshoe Cave Sink Jackson Co., Ala. 29.IV.61 Forest floor debris / H. R.Steeves,Jr. J.D.Patrick,Jr. Collectors / H. R. Steeves Jr. Collection / [male symbol] ( FMNH) (2M). *ALA.,Jackson Co. 5mi. N.Garth 19. V.1972 S.Peck.Ber.239 / CNCI Ottawa, Canada / [male symbol] ( FMNH) (1M) SLIDE. * USA: Ala., Jackson Co., 6 mi N Princeton, Horseshoe Cave, 30– VI –1976, FMHD #67–110, residue, outside cave, S. Peck & A. Fiske ( FMNH) (2M).

Geographical Distribution. Sonoma nhunguyeni in represented by specimens collected in Jackson County in extreme northeastern Alabama.

Comments. Sonoma nhunguyeni has been collected in April through June from “residue, outside cave” and forest floor debris.

Aedeagal characters of Sonoma nhunguyeni are similar to those of S. mayori . The dorsal lamina on the apical 2/5 of the endophallus, small dorsolateral setose process of the right paramere, and the obliquely truncate apex of the right paramere of S. nhunguyeni will serve to distinguish it from S. mayori .

Etymology. This species is named for Nhu Huynh Nguyen, a mycoentomologist and participant in the Coleoptera component of the All Taxa Biodiversity Inventory at GSMNP. The specific epithet is pronounced “new-win-eye.”

Figures

Figure 11-16. Habitus images. 11) Sonoma streptophorophallus, holotype. 12) Sonoma nhunguyeni, holotype. 13) Sonoma tridens, holotype. 14) Sonoma holmesi, holotype. 15) Sonoma tishechkini, holotype. 16) Sonoma mayori, holotype. Scale lines equal 1.0 mm.

Figure 28-31. Aedeagus images.28) Sonoma streptophorophallus, aedeagus (dorsal view). 29) Sonoma nhunguyeni, aedeagus (dorsal view). 30) Sonoma tridens, aedeagus (dorsal view). 31) Sonoma holmesi, aedeagus (dorsal view). Scale lines equal 0.1 mm. Right side of figure is anatomical left.