Phytomyza clematiphaga Spencer

(Fig. 180)

Material examined. COLORADO: Fremont Co., Bear Creek, Forest Rd. 101, off of 49 Rd., 7.vii.2015, em. 19– 22.vii.2015, C.S. Eiseman, ex Clematis hirsutissima var. scottii, #CSE1728, CNC654335, CNC654336 (1♂ 1♀) .

Hosts. Ranunculaceae: Clematis columbiana (Nutt.) Torr. & A. Gray, C. * hirsutissima Pursh var. scottii (Porter) Erickson, C. occidentalis (Hornem.) DC. (Spencer 1969).

Leaf mine. (Fig. 180) Upper surface (though at least sometimes beginning on the lower surface), white, linear; up to 1 mm or slightly wider, with a small terminal enlargement up to 3 mm wide. The black frass is in strips or beaded strips along the sides.

Puparium. Yellowish-brown, formed within the mine, with the anterior spiracles projecting through the upper epidermis.

Distribution. USA: *CO, MT; Canada: AB.

Phytomyza clematoides Spencer

(Fig. 181)

Material examined. COLORADO: Fremont Co., Bear Creek, Forest Rd. 101, off of 49 Rd., 7.vii.2015, em. 26.vii.2015, C.S. Eiseman, ex Clematis ligusticifolia, #CSE1853, CNC564610 (1♀) .

Host. Ranunculaceae: Clematis ligusticifolia Nutt.

Leaf mine. (Fig. 181) Whitish, gradually widening, entirely linear; frass in numerous, small, closely spaced grains.

Puparium. Brown; formed outside the mine.

Distribution. USA: *CO, WA.

Comments. The identification of this female is very tentative, as no reference material of P. clematoides was available and the genus is in need of revision.