196 University of California Fublicatiotis. [Entomology 



NoBTH American Species — Continued. 



7. Wing with a small pitchy spot at the tip of the first longi- 



tudinal picea Walker. 



Wings without such spot 8 



8 . Body ash gray favUlacea Low. 



Body olive green triscta Coquillett. 



Body brown octonotata Walker. 



9. Head and chest blackish opaque, densely bluish-gray pruinose 



setosa Coquillett. 



Head and chest blackish with olivaceous pruinosity 



pentastigma Thomson. 



Head and chest yellowish cinereous ohsoleta Low. 



Head and chest ferrugineus * epleta Walker. 



10. Abdomen flecked with white hitevaWy .. .cribrat a Stenhammar. 

 Abdomen not flecked with white lugens Low. 



cribrata Stenh. 00L3Uo, OoAGoO. Greenland. 

 favillacea Lw. 62L170, 78OS203, 96B269, 05A630. 



Middle States, New Jersey. 

 lugens Lw. 62L171, 78OS203, 95J339, 96B2S9, 0oA630. 



Middle States, Florida. 

 mesogramma Lw. 69L42, 69D444, 72L74, 78OS203, 



96B270, 05A630. Newport (K. I.j. 

 obsoleta Lw. 62L172, 65L98, 78OS204, 96B269, 05A630. 



Washington (D. C). 

 octonotata Walk. 0.jAG30, LJphyiha 49W110G, 9GB267. 



Martin Falls (Canada). 

 oscitans Walk. See llythea and Ephydra. 

 pentastigma Thorns. 0."')AG3U, Kphijdra G8T591, 70V442, 



78OS204, 96B271. California. 

 picea Walk. 05AG30, Ephydra 49W1105, 78OS204. 



96B266. Martin Falls (Canada). 

 quadrata Fall. 23F5. G4L317, G4S2G5, 78OS204, 96B270, 



05A630. North America, 

 repleta Walk. 05A630, Notiphila 49W1099, 96B266. 



Martin Falls (Canada). 

 sejuncta Lw. 63L32G, 65L99, 78OS204, 96B271, 05A631. 



Sitka (Alaska), 

 setosa Coq. 00C4G2, 00S310, OoAGSl. Alaska. 

 stagnalis Fall. 4.^S1G9. 72H97. 78OS204, 8GG1G2. SGS312, 



96B271. 9GS2G4. 98L303, 00C462, 00H593. 05A631, 



ohscuru 90W40.3. Greenland, Alaska, New Jersey, 



Georaia. Arizona. St. Vincent, Montreal, \\Tiite Moun- 

 tains (N. H.). 

 stenhammari Zett. 78OS204, 9GB271. North America. 



North America. 

 striata Walk. (tr..VG31. i;i>Jni<Jni 40W1107, 9GB2(57. 



Martin Falls (Canada). 

 triseta Coq. 02C1S4, 02S2G.', 0.i.\G31. Arizona. 



Note. — oscitana, if a Scatella, is probably most closely related to 

 S. striata, from which it differs in the absence of five hoary stripes on 

 the chest. 



