W. L. MC ATEE 321 



more or less overlaid by opaque white; costa between plaque and cross- 

 veins pale yellow, a ramose red marking on cross-veins; apical cells dusky 

 except extreme bases of all, and the central interior of two and four; a little 

 blacker at base of four and at ajiices of two and four. Pale yellow below, 

 face with touches of red, and genitalia more or less livid to slaty. 



Length, ;3.13 mm.; vertex: LM 7, LE 3.5, WA 15, WP 22, OA 6.5, OP 13, 

 OH 17; pronotum: L 11.5, W 22; tegmen 15-62. 



Type— 9; Plummer's Island, Maryland, Nov. 30, 1913, (W. 

 L. iSIcAtee), [W. L. M.]. Paratype—9 ; (2.93 mm.), same local- 

 ity as type. May 4, 1914, (W. L. McAtee), [W. L. M.]. 



A large well-marked form, which is given varietal rank ])ecause 

 it is assumed intergrades with come.'^ may exist; further evidence 

 may indicate the advisability of considering this form a species. 



Explanation of Plates 

 ^4.s- to Vertex 



Fig. 1. — bipuuctatn, the only species of this type. 



Fig. 2. — ndor, the only species of this type. 



Pig. 3. — aholla; dcnlnla, morgani, scidcllcris, baKUaris, inaciihila and ligal'i 

 are of about the same type. 



Pig. 4. — obliqua: rubroscuta, cnwcocuri, iUinm.c)isis, hartii, vitis,(ricinclaiind 

 comes are of about the same type. 



Fig. 5. — vulnerata; adys and viju.scata are similar. 



Fig. 6. — teda, the only species of this type. 



As to Apical Cells 



Fig. 7. — vulnerata, the only species of this type. 

 Fig. 8. — oblirjua: rubroscuta and crerecoeuri are similar. 



Fjg_ g^^teda: bipunctata, ador, dentaln, abolla, adjjs, morgani and hartii 

 are of about the same type. 



Fig. 10. ^illinoiensis; scutelleris is much the same. 

 Fig. 11. — maculata; basilaris and iigatn are similar. 

 Fitr. 12.— comes: infuscata, vitis and tricincta are of the same type. 



TRANS. AM. ENT. SOC, XLVI. 



