Sonoma carltoni, Ferro, 2016

Ferro, Michael L., 2016, Fourteen new species of Sonoma Casey (Coleoptera: Staphylinidae: Pselaphinae) with a key to species from western North America, Insecta Mundi 2016 (472), pp. 1-57 : 9

3. Sonoma carltoni new species

Fig. 3 , 33 ; Map 4.

Description. Holotype, male. Measurements: head 0.22 long, 0.28 wide; pronotum 0.28 long, 0.32 wide; elytra 0.54 long, 0.26 wide; antennomeres 1–11 total 0.55; total length 1.86. Body brown, antennae, maxillary palpi, and legs paler. Body covered in short setae (less than 1/4 length of the eye).

Head. Eyes large, maximum length in dorsal view subequal to length of first antennal segment, with approximately 40 facets. Antennomere 2 approximately 0.75x width of 1; 3 smallest. Elongate setae at temples (greater than 1/2 length of eye).

Thorax. Elytra with 3 sutural foveae; 2 foveae lateral to sutural fovea; central row of 3–4 foveae in basal 1/3. Winged. Metatibia unmodified.

Abdomen. Tergite IV with transverse patch of microtrichia narrowly interrupted at midline. Basal lateral foveae on ventrites V–VI. Basal pubescence present on ventrites IV–VII.

Aedeagus. Blunt. Left paramere: subequal in size to phallobase; mesal margin straight; four large setae on posterio-lateral corner, greater than 1/2 length of paramere; central ventral shelf bearing setal tuft; lateral ventral shelf with setal tuft. Endophalus: elongate; thick hook-like basal process on right; cup-like setae-bearing flange on left at mid-point; apical half elongate, parallel sided; tip consisting of apical and subapical knobs. Right paramere: subequal in size to phallobase; with single ventral digitate process extending beyond apex of paramere; 4–5 elongate setae on postero-lateral corner and row of 5 smaller setae arranged mesially.

Type Material. Holotype, male: * USA: OR: Benton Co., Siuslaw N.F., Marys Peak , Meadowedge Tr. (top part), 1189-1197 m, 44°30.417’N, 123°33.12’W, 17.ix.2012, old-growth Abies procera forest, FMHD#2012-030 , berl., log & litter, A. Newton & M. Thayer; ANMT site 1245 (1♂). Deposited in FMNH.

Paratypes (n=3). UNITED STATES: OREGON: Benton Co.: * USA: OR: Benton Co., Siuslaw N.F., Marys Peak , Meadowedge Tr. (top part), 1189-1197 m, 44°30.417’N, 123°33.12’W, 17.ix.2012, oldgrowth Abies procera forest, FMHD#2012-030 , berl., log & litter, A. Newton & M. Thayer ; ANMT site 1245 ( FMNH) (1♂) SLIDE. * OREGON: Benton Co., Mary’s Peak July 5, 1983 p.l. ( FMNH) (1♂). *ORE., Mary’s Peak 8 mi. W.Philomath 4000’, V.9.1968 Campbell & Smetana ( DCPC) (1♂) .

Figures

Figures 1–6. Sonoma spp. holotype habiti. 1) S. agitator. 2) S. cardiac. 3) S. carltoni. 4) S. cataloochee. 5) S. caterinoi. 6) S. chandleri.

Figures 33–36. Aedeagi of Sonoma spp. 33) S. carltoni new species. 34) S. russelli Chandler. 35) S. cavifrons Casey. 36) S. parviceps Mäklin. Right side of figures is anatomical left.