ZELIA Robineau-Desvoidy, 1830: 314. Type species: Zelia rostrata Robineau-Desvoidy, 1830 (= Dexia vertebrata Say, 1829), by subsequent designation of Coquillett, 1910b: 621.
LEPTODA van der Wulp, 1885b: 196. Type species: Dexia gracilis Wiedemann, 1830 (= Dexia vertebrata Say, 1829), by subsequent designation of van der Wulp, 1891: 250.
METADEXIA Coquillett, 1899: 220. Type species: Metadexia tricolor Coquillett, 1899, by monotypy.
EUZELIA Townsend, 1915b: 23. Type species: Zelia wildermuthii Walton, 1914, by original designation.
MINTHOZELIA Townsend, 1919c: 556. Type species: Minthozelia montana Townsend, 1919, by original designation.

argentosa (Reinhard, 1946).– Arizona, Texas (S&A, 1965), Utah (CNC).
– Minthozelia argentosa Reinhard, 1946b: 55. Type data: holotype male (CNC). Type locality: USA, Texas, El Paso.

gracilis (Reinhard, 1946).– California to Texas (S&A, 1965).
– Minthozelia gracilis Reinhard, 1946b: 56 (junior secondary homonym of Dexia gracilis Wiedemann, 1830; not renamed while Dexia gracilis is in synonymy with vertebrata Say, 1829). Type data: holotype male (SEMK). Type locality: USA, New Mexico, Cloudcroft.

metalis (Reinhard, 1946).– Ohio, Pennsylvania, North Carolina (S&A, 1965), British Columbia, Texas, New Brunswick (CNC).
– Minthozelia metalis Reinhard, 1946b: 57. Type data: holotype male (CNC). Type locality: USA, Ohio, Amherst.

mira (Reinhard, 1946).– Texas (S&A, 1965), Georgia (CNC).
– Minthozelia mira Reinhard, 1946b: 56. Type data: holotype female (CNC). Type locality: USA, Texas, College Station.

montana (Townsend, 1919).– Arizona (S&A, 1965).
– Minthozelia montana Townsend, 1919c: 557. Type data: holotype female (USNM). Type locality: USA, Arizona, Pinal Mountains, Sixshooter Canyon, 5000 feet.

nitens (Reinhard, 1946).– California, Nevada, Arizona, New Mexico (S&A, 1965).
– Minthozelia nitens Reinhard, 1946b: 58. Type data: holotype female (SEMK). Type locality: USA, Arizona, Chiricahua Mountains.

ruficauda (Reinhard, 1946).– New York (S&A, 1965).
– Minthozelia ruficauda Reinhard, 1946b: 58. Type data: holotype female (CNC). Type locality: USA, New York, Long Island, Forest Hills.

rufina (Bigot, 1885).– California (S&A, 1965), British Columbia, Oregon, Utah (CNC).
– Homodexia rufina Bigot, 1885: xxvi (also 1885: xxvi, Bull. Soc. Ent. France). Type data: holotype female [not male as published] (BMNH). Type locality: USA, California.

tricolor (Coquillett, 1899).– Nevada to Pennsylvania, south to Mexico, Louisiana, and Maryland (S&A, 1965), Iowa (CNC), Florida (FSCA).
– Metadexia tricolor Coquillett, 1899: 220. Type data: lectotype female (USNM), by fixation of Townsend, 1939b: 79 (mention of "Ht male" from Shreveport is regarded as a lectotype fixation; specimen is female, not male as cited). Type locality: USA, Louisiana, Shreveport.

	Hosts from Arnaud (1978: 377), as Metadexia tricolor Coquillett*
		Coleoptera, Curculionidae
			Rhabdoscelus obscurus (Boisduval)

vertebrata (Say, 1829).– Washington to Colorado to Québec and Maine, south to Mexico and Florida (S&A, 1965), Montana, Iowa, Ontario (CNC).
– Dexia vertebrata Say, 1829: 176 (also published in LeConte, 1859: 366). Type data: type(s) (lost). Type locality: USA, Indiana.
– Zelia rostrata Robineau-Desvoidy, 1830: 315. Type data: holotype, sex unknown ("Ht" in MNHN or lost according to Townsend, 1939b: 88). Type locality: North America.
– Dexia gracilis Wiedemann, 1830: 373. Type data: holotype male (NHMW). Type locality: unknown.

	Hosts from Arnaud (1978: 532)*
		Coleoptera, Cerambycidae
			Unidentified Cerambycidae
		Coleoptera, Passalidae
			Popilius disjunctus (Illiger)
		Coleoptera, Scarabaeidae
			Osmoderma eremicola Knoch
		Coleoptera, Tenebrionidae
			Meracantha contracta (Palisot de Beauvois)

wildermuthii Walton, 1914.- California, Colorado, New Mexico (S&A, 1965), Utah, Arizona, Mexico (CNC).
– Zelia wildermuthii Walton, 1914a: 177. Type data: holotype female (USNM). Type locality: USA, New Mexico, Colfax County, Koehler.

zonata (Coquillett, 1895).– Indiana to New Jersey, south to Florida (S&A, 1965), British Columbia, Washington, Idaho (CNC). Note: The western specimens in CNC were identified as zonata by Reinhard but we have not been able to confirm their identity by comparison with the type in MCZ.
– Gymnodexia zonata Coquillett, 1895a: 315. Type data: holotype female (MCZ). Type locality: USA, Florida, Jacksonville.