W. L. MC ATEE 301 



Length, 2.7 mm.; vertex: LM 6, LE 3, WA 11. WP IB, OA 6. OP 9, OH 

 13; pronotum: L 9, W 18; tegmen ll-.^7. 



Type—o ; Plummer's Island, :\Iarylan(l Aii<iust 20, 1914, (W. 

 L. ]\IcAtee), [W. L. M.]. Parntypes include specimens from the 

 same locality as the type, dates from Juh' 5 to September 14; 

 Odenton, Maryland, July 29, 1917, on hickory; Beltsville, ISIary- 

 land. June 9, 1915, Sept. 3, 1916; Dunn-Lorina;, Virginia, Aug. 

 30, 1916; Scott's Run to Balls Hill, Virginia, Aug. 12, 1917, (W. 

 L. McAtee), [W. L. M.]. 



Erythroneura maculata var. gemina new variety 



Whitish to pale j'ellowi.sh, with only the dark spots in bases of fourth apical 

 cells present. 



Length, 2.6S mm.; vertex: LM 6, LE 3, WA 11, WP 17..5, OA 6, OP 10, 

 OH 15: pronotum: L 10, W 19; tegmen 13-56. 



Type — 9; Virginia opposite Washington, District of Col- 

 umbia, June 15, 1902, [U. S. X. M.]. Allotype— d';i^cotV a Eun, 

 Virginia, July 4, 1918, (W. L. McAtee), [W. L. M.]; this specimen 

 is not in contlition for measurement. 



Erythroneura ligata new species 



A species easily distinguished in its venational group by the 

 broad zigzag scarlet vittae on tegmina, xA-hich enclose two pale 

 saddle-spots, a smaller one on inner anterior portions of clavi and 

 a larger one, embracing apical third of clavi and adjacent parts of 

 corium. For further description, designation of type, etc., see 

 account of typical variety. 



Key to the Color Varieties 



A. Head and pronotum with faint yellow markings, tip of clavus unmarked. 



var. ligata new variety, p. 301. 

 AA. Head and pronotum with reil markings, tip of clavus with a red spot. 



var. allecta new variety, p. 302. 



Erythroneura ligata var. ligata new variety 



Ground color of scutellmn and anterior parts ivory white, of tegmina 

 wlutish hyaUne. Vertex with translucent to yellow sjwts, arranged as in 

 E. hartii, three on transition from vertex to front, and four between eyes, of 

 which the central pair are larger and may be connected with lateral spots or 

 with posterior margin of vertex. Pronotum with two broad lateral, and two 

 narrower discal vittae, which may be broken into smaller anterior and larger 

 posterior spots, translucent to yellow. Scutellum with yellow basal triangles 

 outlined by scarlet, apex yellow. Tegmina with broatl zigzag scarlet vittae, 



TRANS. AM. EXT. SOC, XLVI. 



