@article {2421,
	title = {Descriptions of Nearctic Diptera},
	journal = {The Canadian Entomologist},
	volume = {59},
	year = {1927},
	pages = {79-92},
	keywords = {Parhelophilus, Parhelophilus brooksi Curran},
	author = {Curran, C. Howard}
}
@article {521,
	title = {The genus <i>Pleskeola</i> Stackelberg (Diptera: Syrphidae), a junior synonym of <i>Parhelophilus</i> Girschner},
	journal = {Proceedings of the Entomological Society of Washington},
	volume = {99},
	number = {4},
	year = {1997},
	pages = {628-640},
	address = {Washington},
	abstract = {The genus Pleskeola (n. syn.) is synonymized with Parhelophilus. The species (porcus and sibiricus, n, comb.) associated with the name Pleskeola are redescribed. A checklist and key to species of Parhelophilus is presented. Four new synonyms and one new combination are reported (Helophilus anniae Brimley 1923 = flavifacies Bigot 1883; Parhelophilus obscurior Violovitsh 1960 and Helophilus citricornis Shiraki 1968 = kurentzovi Violovitsh 1960; Parhelophilus currani Fluke 1953 = laetus Loew 1863; Helophilus pilosus Hunter 1897 is transferred to Lejops (Lejops)).},
	keywords = {Diptera, Parhelophilus, Pleskeola, Syrphidae},
	author = {Thompson, F. Christian}
}
