Stenochironomus (Petalopholeus) impendens Borkent 1984

Borkent 1984. The systematics and phylogeny of the Stenochironomus complex (Xestochironomus, Harrisius, and Stenochironomus) (Diptera: Chironomidae). Memoirs of the Entomological Society of Canada, No. 128 1984: 1-269