Dolichopus partitus Melander & Brues, 1900

(Figs 10–12, 16, 17)

Dolichopus partitus Melander & Brues, 1900: 135 .

Nematode. Apparent Mermithidae .

Demasculinized male examined. 1 ♂, USA, Montana, Granite County, Copper Creek, wetland, N46.06099° W113.55637°, 22 July 2020, JB Runyon (MTEC) .

Remarks. The demasculinized specimen has small, very poorly rotated genitalia with darker cerci (cf. Figs 16, 17), a wider face (cf. Figs 10, 11), pterostigma absent, and with the long ventral ciliation of hind femora greatly reduced. The infected specimen was collected with a normal male of D. partitus in a sedge-dominated boggy wetland with scattered willows.