Pima boisduvaliella (Guenee, 1845) Figures 2, 4, 6

Epischnia boisduvaliella Guenée, 1845: 319.

Anerastia farrella Curtis, 1850: 114.

Myelois lafauryella Constant, 1865: 189.

Pima boisduvaliella ( Guenée): Hannemann 1964: 180.

Diagnosis.

Adults (Fig. 2) with wingspan 15.0-22.0 mm. Pima boisduvaliella is characterized by the yellowish brown forewing with a white subcostal streak; the elongate valva with a well-developed costa that produced and weakly notched apically, the broad semicircular juxta with a pair of short, finger-like lateral lobes, the V-shaped vinculum ca 1.5 × length of its greatest width, and the aedeagus with two thorns that slightly less than half the length of the aedeagus in the male genitalia (Fig. 4); the rounded antrum, the heart-shaped corpus bursae with dense microtrichia in anterior 1/3, with a small oval sclerotized plate and a couple of tortuous, sclerotized plates in the female genitalia (Fig. 6).

Three DNA barcodes were obtained and deposited in GenBank: a male collected on August 19, 2007 at alt. 2178 m in Mt. Xinglong, Yuzhong County, Gansu Province, accession no. MT734539, DNA voucher slide no. DNAYLL18043; a male collected on July 24, 2013 at alt. 1461 m in Habahu, Yanchi County, Ningxia Hui Autonomous Region, accession no. MT734540, DNA voucher slide no. DNAYLL18076; a male collected on August 3, 2010 at alt. 1836 m in Shuimogou, Mt. Helan, Alxa Zuoqi, Inner Mongolia Autonomous Region, accession no. MT734541, DNA voucher slide no. DNAYLL18118.

Distribution.

China (Gansu, Hebei, Inner Mongolia, Liaoning, Ningxia, Qinghai, Shaanxi, Shanxi, Xinjiang, Xizang) (Fig. 7), Europe (Slamka 2019: 128, fig. 145), Canada, USA.

Host plants.

Leguminosae: Anthyllis vulneraria L., Astragalus dasyanthus Pall., Astracantha arnacanthoides, Lathyrus japonicus Willd., Lotus corniculatus L., Ononis spinosa L., O. arvensis L., Hibiscus esculentus (Heinrich 1956; Leraut 2014; Slamka 2019).