Hypotrix spinosa ( Barnes & McDunnough, 1912 ) Lafontaine & Ferris & Walsh, 2010

Lafontaine, Donald, Ferris, Clifford & Walsh, J., 2010, A revision of the genus Hypotrix Guenee in North America with descriptions of four new species and a new genus (Lepidoptera, Noctuidae, Noctuinae, Eriopygini), ZooKeys 39 (39), pp. 225-253 : 236-237

Hypotrix spinosa ( Barnes & McDunnough, 1912) , comb. n.

Figs 6, 23, 38

Trichorthosia spinosa Barnes & McDunnough, 1912: 9 .

Type material. Syntypes 2 ♀, USNM, examined. Type locality: Arizona, [Cochise Co., Miller Canyon], Palmerlee.

Other material examined and distribution. Mexico: State of Durango (Sierra Madre Occidental). USA: Arizona: Cochise Co. (Chiricahua and Huachuca Mts). New Mexico: Grant Co. (Pinos Altos Mts).

Diagnosis. Hypotrix spinosa superficially looks like a brown, well-marked form of H. parallela , but averages slightly larger (forewing length: 13–15 mm), the reniform and orbicular spots are larger and outlined by a contrasting pale line, the reniform spot is more rectangular, and spiniform setae are on all three pairs of tibiae. The male genitalia also are very different from those of H. parallela ; the uncus is slender with an abruptly spatulate apex, the cucullis is longer and narrower, and the vesica lacks subbasal cornuti, is more tightly coiled medially, and has a field of minute spines postmedially. In the female geni-

Figures 23–28. Hypotrix male genitalia. 23 H. spinosa 24 H. ocularis 25 H. basistriga 26 H. naglei 27 H. alamosa 28 H. trifascia .

talia the corpus bursae is smaller than that of H. parallela , the appendix bursae is coiled mesially, and the ductus bursae is mostly membranous, sclerotized only posteriorly.

Distribution and biology. Hypotrix spinosa is a very rarely collected species that is known only from southeastern Arizona, southwestern New Mexico, and the State of Durango in northern Mexico. Collecting dates range from mid-July to mid-August.