Eucteniza relata (O.P.-Cambridge, 1895)

Bond, Jason E. & Godwin, Rebecca L., 2013, Taxonomic revision of the Trapdoor spider genus Eucteniza Ausserer (Araneae, Mygalomorphae, Euctenizidae), ZooKeys 356, pp. 31-67 : 43-47

Eucteniza relata (O.P.-Cambridge, 1895) 'The Southwestern Trapdoor Spider’Figs 1, 23-30

Flavila relatus O.P.-Cambridge, 1895: 156; male holotype from Mexico, Amula in Guerrero, deposited in the BMNH, examined in 2002. - F.O.P.-Cambridge 1897: 13.

Eucteniza rex (Chamberlin, 1940): 5; male holotype from Kingsville, Texas, deposited in AMNH, examined. - Chamberlin and Ivie 1945: 556. - Bond and Opell 2002. syn. n.

Eucteniza stolida (Gertsch & Mulaik, 1940): 310; female holotype from Austin, Texas, deposited in AMNH, examined. - Bond and Opell 2002. syn. n.

Diagnosis.

Eucteniza relata mating clasper morphology comprises 2 large, tightly grouped megaspines on the mid-ventral aspect of tibia I; few (4) to many prolateral distal spines (21); tibia I medially swollen (Figs 25, 26, 29).

Description.

Eucteniza relata described by O.P.-Cambridge (1895). Synonyms ( Eucteniza rex and Eucteniza stolida ) described by Chamberlin (1940), Gertsch and Mulaik 1940, and Bond and Opell (2002). The holotype for Eucteniza rex was illustrated by Bond and Opell (2002).

Variation (males, 6). Cl 8.07-11.53, 9.59 ± 0.47; Cw 7.26-9.76, 8.28 ± 0.37; STRl 4.73-5.98, 5.3 ± 0.19; STRw 4.34-6.01, 5.06 ± 0.26; LBw 1.18-1.56, 1.4 ± 0.06; LBl 0.78-1.14, 0.98 ± 0.05; leg I: 7.39-9.3, 8.24 ± 0.28; 3.86-5.09, 4.44 ± 0.18; 5.04-6.38, 5.41 ± 0.22; 5.55-7.23, 6.38 ± 0.26; 2.78-3.99, 3.34 ± 0.18; leg IV: 7.74-9.88, 8.58 ± 0.32; 3.98-5.15, 4.41 ± 0.16; 5.98-7.93, 6.67 ± 0.3; 6.47-9.02, 7.62 ± 0.36; 3.64-5.31, 4.49 ± 0.27; PTl 4.19-5.31, 4.64 ± 0.16; PTw 1.87-2.25, 2.06 ± 0.05; Bl 1.54-2.45, 1.89 ± 0.13; TSp 4-21, 9.33 ± 2.54; TSr 0-0, 0 ± 0; TSrd 0-0, 0 ± 0;

Variation (females, 6). Cl 7.55-10.01, 8.61 ± 0.45; Cw 6.39-7.94, 7.31 ± 0.31; STRl 4.4-5.89, 4.98 ± 0.27; STRw 4.13-5.23, 4.68 ± 0.21; LBw 1.39-1.98, 1.62 ± 0.11; LBl 0.96-1.39, 1.16 ± 0.08; Leg I: 13.54-20.45, 17.11 ± 1.23; ANTd 6-8, 7.2 ± 0.37; PTLs 45-80, 63.6 ± 7.02; TBs 16-36, 23.8 ± 3.29.

Material examined.

Mexico: Guerrero: Taxco, 18.5351, -99.6098 6, 1621m, V Roth, W Gertsch 29.vii.1956 [EU030, 1♂, AMNH]; Nuevo Leon: Cerro Potosi, Galeana, 24.8811, -100.2327 5, 3713m, S & J Peck 26.vi.1969 [EU061, 1♀, AMNH]; 20mi W of Linares, 24.8666, -99.8848 6, 1894m, S Mulaik 1.ix.1956 [EU074, 2♀, AMNH]; Tamaulipas: Conrado Castillo, 23.9500, -99.4667 6, 1955m, P Sprouse v.1980 [EU003, 1♀, AMNH]; Antiguo Morelos, Mexico, 22.5500, -99.0833 5, 205m, JA Beatty 21.vi.1963 [EU036, 1♂, AMNH]; Tampico, Mexico, 22.3000, -97.8500 5, 10 m, Ekhomb 1942 [EU013, 1♀, AMNH]. United States: Texas: Atascosa Co.: 28.8333, -98.5000 7, 106m, C Rutherford 31.xii.1936 [EU062, 1♀, AMNH]; Jourdanton, 28.9178, -98.5461 3, 140m, C Rutherford [EU046, 1♀, AMNH]; Jourdanton, 28.9178, -98.5461 3, 140m, C Rutherford 27.xi.1935 [EU058, 1♀, AMNH]; Bastrop Co.: Bastrop State Park, 30.1122, -97.2606 3, 168m, B Hunsacker 26.iii.1958 [EU029, 1♀, AMNH]; Little Sandy Creek 10mi NW of Bastrop, 30.2601, -97.3555 3, 125m, B Vogel 4.x.1971 [EU064, 1♂, AMNH]; Bell Co.: Temple, 31.0981, -97.3427 6, 221m, M Hatley x.2006 [EU084, 1♂, TAMU]; Bexar Co.: San Antonio, 29.4239, -98.4933 7, 198m, L Griffith 15.xii.1939 [EU049, 1♂, AMNH]; San Antonio, 29.424, -98.4833 6, 199m, L Gonzales 10.xii.1987 [EU088, 1♂, TAMU]; San Antonio, 29.424, -98.4833 6, 199m, L Monney 20.x.1989 [EU089, 1♂, TAMU]; San Antonio, 29.424, -98.4833 6, 199m, R Uasquez 15.xi.1992 [EU090, 1♂, TAMU]; Dimmit Co.: 3mi NW of Catarina, 28.3747, -99.0107 1, 166, BE Hendrixson, M Capes, M Roberts 12.iii.2000 [EU092, 1♀, AUMNH]; Duval Co.: 4mi E of Freer, 27.8828, -98.5494 5, 186m, EG Riley 11.x.2003 [EU085, 1♂, TAMU]; Hidalgo Co.: Mission, 26.2156, -98.325 3, 43m [EU007, 1♀, AMNH]; Edinburg, 26.3014, -98.1631 3, 29m, S Mulaik [EU026, 1♀, AMNH]; Edinburg, 26.3014, -98.1631 3, 29m, S Mulaik [EU033, 1♀, AMNH]; Edinburg, 26.3014, -98.1631 3, 29m, S Mulaik 1.iii.1936 [EU027, 1♀, AMNH]; Edinburg, 26.3014, -98.1631 3, 29m, S Mulaik 1.v.1937 [EU048, 1♀, AMNH]; Edinburg, 26.3014, -98.1631 3, 29m, S Mulaik 27.ii.1939 [EU050, 1♀, 1 juv, AMNH]; Edinburg, 26.3014, -98.1631 3, 29m, S Mulaik 1.iii.1938 [EU032, 2 juv, AMNH]; Edinburg, 26.3014, -98.1631 3, 29m, D Mulaik 5.vi.1939 [EU039, 1♂, AMNH];Edinburg, 26.3014, -98.1631 3, 29m, 24.xii.1949 [EU040, 1♀, AMNH]; Edinburg, 26.3014, -98.1631 3, 29m, S Mulaik 15.iv.1936 [EU042, 1♀, AMNH]; Edinburg, 26.3014, -98.1631 3, 29m, S Mulaik 31.xii.1934 [EU044, 069, 2♀, AMNH]; Houston Co.: Old Tyler Rd near Ratcliff, 31.3914, -95.1394 6, 122m, SFA Student 23.ix.1968 [EU022, 1♀, AMNH]; Kendall Co.: Boerne, 39.7945, -98.7319 6, 429m, ND Masters 20.ix.1994 [EU086, 1♀, TAMU]; Kennedy Co.: 50mi NW of Edinburg, 26.8796, -98.6642 7, 154m, 24.ii.1949 [EU023, 1♀, AMNH]; Kerr Co.: Raven Ranch, 30.0666, -99.3333 7, 546m, J McHenry 27.vi.1941 [EU053, 1♀, AMNH]; Kleberg Co.: Kingsville, 27.5156, -97.8558 6, 18m, [EU063, 1♂, AMNH, EU037, 1♂, AMNH]; Kingsville, 27.5156, -97.8558 6, 18m, JC Cross 31.xii.1944 [EU065, 1♂, AMNH]; Kingsville, 27.5156, -97.8558 6, 18m, JC Cross 1.xi.1947 [EU066, 1♂, AMNH]; LaSalle Co.: 9mi W of Fowlerton on Hwy 97, 28.4534, -98.9598 4, 110m, EG Riley 11.x.2003 [EU099, 1♂, AUMNH]; Midland Co.: Midland, 31.9973, -102.0779 6, 848m, M Dilley Summer 2002 [EU082, 1♂, AUMNH]; Nueces Co.: Robstown, 27.7900, -97.6686 6, 21m, 14.x.1968 [EU035, 1♂, AMNH]; Robstown, 27.7900, -97.6686 6, 21m, Richard 10.ix.1968 [EU055, 1♂, AMNH]; Sabine Co.: 9mi E of Hemphill, "Beech Bottom", 31.3405, -93.6948 5, 58m, Anderson, Morris 15.xi.1985 [EU087, 1♀, 2♂, TAMU]; San Patricio Co.: 8mi NE of Sinton, 28.087, -97.3741 5, 10m, HE Laughlin 15.x.1959 [EU019, 1♂, AMNH]; Starr Co.: 26.5666, -98.7333 7, 135m, V Wilder 25.ix.1940 [EU043, 1♀, AMNH]; Near Hwy 83, 2.5mi W of Sullivan City, 26.2894, -98.5938 4, 58m, WR Icenogle 6.ix.1974 [EU067, 1♂, AUMNH]; Sutton Co.: 30.5166, -100.6333 7, 647m, L Pierce 17.ii.1973 [EU005, 1♂, AMNH]; Travis Co.: SRD University of Texas Campus, 30.2918, -97.7385 3, 168m, WH McAlister 10.ii.1956 [EU006, 1♀, AMNH]; 5mi E of Austin, 30.3392, -97.5926 6, 183m, WF Blair 21.i.1957 [EU020, 1♂, AMNH]; Austin, 30.2669, -97.7428 3, 153m, 1.iii.2005 [EU034, 1♀, AMNH]; Austin, 30.2669, -97.7428 3, 153m, Casteel 3.xii.1945 [EU041, 1♂, AMNH]; Austin, 30.2669, -97.7428 3, 153m, 29.xi.1945 [EU054, 1♀, AMNH]; Austin, 30.2669, -97.7428 3, 153m, 31.xii.1971 [EU070, 1♀, 2♂, AMNH]; Austin Caverns, 30.2969, -97.7743 6, 152m, B Russel 3.x.1964 [EU072, 1♂, AMNH]; Austin, 30.2669, -97.7428 3, 153m, 31.xii.2003 [EU076 Paratype, 1♀, AMNH]; Austin, 30.2671 Austin, 30.26716, 148m, J Heskett xii.2003 [EU083, 1♂, TAMU]; Austin, 30.2671 Austin, 30.26716, 148m, 1.vii.1983 [UMM460, 1♂, AMNH]; Ward Co.: 5mi N of Monahans, 31.6352, -102.9727 5, 808m, J Brown 7.xi.1993 [EU051, 1♂, AMNH]; Webb Co.: Near Hwy 83, 1.8mi N of jct w/Hwy 35, 27.7889, -99.4557 1, 213m, JE Bond 7.viii.1997 [EU107, 1♀, AUMNH]; Near Hwy 83, 1.8mi N of jct w/Hwy 35, 27.7889, -99.4557 1, 213m, JE Bond 7.viii.1997 [EU057, 077, 078, 079, 4♀, AMNH]; Near Hwy 83, 1.8mi N of jct w/Hwy 35, 27.7889, -99.4557 1, 213m, WR Icenogle 8.ix.1974 [EU016, 1♀, AUMNH]; Near Hwy 83, 1.8mi N of jct w/Hwy 35, 27.7889, -99.4557 1, 213m, WR Icenogle 8.ix.1974 [EU059, 1♀, AUMNH]; Zapata Co.: 35mi NW of Rio Grande City on Rt 83, 26.7299, -99.1124 3, 350m, S Mulaik [EU045, 1♀, 2 juv, AMNH].

Distribution.

Widely distributed throughout Texas and northern/central Mexico (Fig. 1).

Remarks.

Without doubt this species, as circumscribed herein, represents multiple species, likely cryptic. Until additional data are available (e.g., molecules) we have chosen to be conservative and strictly apply a morphological species concept as described above.