Trichiotes seriatus Casey 1907

Wirth, Christopher C. & Smith, Aaron D., 2017, Review of the genus Trichiotes Casey (Coleoptera: Tenebrionidae: Pimeliinae: Edrotini), with the description of a new species and a preliminary checklist of the Tenebrionidae from Cuatrociénegas, Mexico, Zootaxa 4347 (3), pp. 533-542 : 538-539

Trichiotes seriatus Casey 1907

Type material. HOLOTYPE ( Fig. 4 ), designated here by monotypy, labeled: (a) “Big S[prings] / Te[x] / Wick[ham]”; (b) “ CASEY / bequest / 1925”; (c) on red paper “ TYPE USNM / 46249”; (d) “ Trichiotes / seriatus / Cas[ey]”; (e) (d) on red paper, “ HOLOTYPE / Trichiotes / seriatus / Casey 1907 ” ( USNM).

Additional material examined. Twenty-one specimens (all bearing the database label “Tenebrionid Base / Aaron D. Smith / Catalog # ” on blue paper, for convenience tenebrioniDBase catalog numbers are listed as TB # without quotations): One labeled (a) “at Laredo / #3001 / 5.18.71 -20127”; (b) “exc. Mexico / DF . Mexico ” ; (c) “on seed / Hordeum / vulgare”; (d) TB # 16306 ( USNM). One labeled (a) “7500',nr.Jame / 33mi. S.E.Saltillo / Coah.Mex. VII.10 '63 / H. & A. Howden ”; (b) TB # 16305 ( CNC). One labeled (a) “ MEX . N, Leon / Hwy. 57,79mi. / SW. Linares / X 18-1970 ”; (b) “ C.R.Ward / at night”; (c) TB # 16176 ( OSUC). One labeled (a) “ MEX . ,N.L., 79mi. / SW. Linares night / VIII-14-1971 C&L / O'Brien& Marshall”; (b) TB # 16177 ( OSUC). Five labeled (a) “6/27 Albuq. / New Mex. / Wickham”; (b) TB #s 16307–16310, 16914 ( USNM –4, CASC –1). One labeled (a) “ NEW MEXICO: Eddy Co. / Lincoln Nat'l. Forest / Sitting Bull Canyon / 32°15'20"N, 104°41'50"W / VIII-13-2003, E. Riley, UV”; (b) TB # 16114. ( TAMU). One labeled (a) “USA : New Mexico: San Juan County / ~ 1.5mi S Farmington on NM hwy 371 / 36.6966°–108.2331°, 1700m, 7 July 2017 / CCWirth & MAJohnston, sand dunes, on detritus under Artemisia sp foliage”; (b) TB # 16355 ( CCWC). Four labeled (a) “ Santa Fe Co. NM / Lone Mountain Ranch / N: - 106.125 W:35.311 / August 2, 2005 / Coll. Robert Delph ”; (b) “EX: Pitfall Trap [3 / NMC Juniperus monosperma, 7 / NMC High Mortality , 7 / NMC Pinus edulis, 39 / NMC Open area ]”; (c) TB #s 16108– 16111 ( NAUF). One labeled (a) “ Santa Fe Co. NM / Lone Mountain Ranch / N : 35.3119 W:106.1250 / August 2, 2007 / Coll. Robert Delph ”; (b) “EX: Pitfall Trap 8L / NMC High Mortality ”; (c) TB # 16358 ( NAUF). Two labeled (a) “ TEXAS: Culberson Co. / Guadalupe Mts . Natl. Pk. / Park Headquarters / VIII-8-11-1995 / R. Wharton ”; (b) TB #s 16112–16113 ( TAMU). One labeled (a) “ TEX.CulbersonCo. / GuadalupeN.Park / VI-12- 1971 night / C.W.O'Brien / on Quercus”; (b) TB # 16175 ( OSUC). One labeled (a) “ 15 mi. W of / Ft. Davis, Tex. / July 19 1956 ”; (b) TB # 16174 ( OSUC). One labeled (a) “ TEX., 23mi.W.of / Ft.Davis,Hwy166 / VI-14-1963; (b) “ Collector / G.H.Nelson ”; (c) “on Acacia / constricta”; (d) TB # 16173 ( OSUC).

Diagnosis. Length 4.5–5.5 (mean 5.0) mm, width 2.5–3.2 (mean 2.8) mm (n= 20 specimens). Trichiotes seriatus Casey can be separated from Trichiotes lightfooti based on the diagnostic characters enumerated in the T. lightfooti diagnosis and key.

Remarks. This species appears to be fairly widespread in the Chihuahuan desert ( Fig. 1 ), though uncommon in collections.

Figures

FIGURE 1. Distribution of Trichiotes species. Trichiotes seriatus Casey, 1907 (black triangle), T. lightfooti sp. nov. (white circle with star).

FIGURE 4. Trichiotes seriatus Casey 1907. Holotype. A) Dorsal habitus. B) Lateral habitus.