CATALOGUE OF NORTH AMERICAN DIPTERA. [37 



THEOBALD, Mon. of Culicidae, n, 303, 1901 (Mochlonyx). 



GILES, Handb. of Gnats, 2d ed., 500, 1902 (id.). 



COQUILLETT, Canad. Ent, xxxv, 189, 1903, discussion of synonymy. 

 albipes JOHANNSEN, see Sayomyia. 

 appendiculata HERRICK, see Sayomyia. 

 brakeleyi COQUILLETT, see Corcthrclla. 

 cinctipes COOUILLETT, Canad. Ent., xxxv, 190. Franconia, N. H. ; Mt. Vernon, 



Va. 



plumicornis FAERICIUS, see Sayomyia. 

 punctipennis SAY, see Sayomyia. 

 trivittata LOEW, see Sayomyia punctipennis. 



SAYOMYIA. 



COQUILLETT, Canad. Ent., xxxv, 190, 1903, new name. 



LOE\V, Stett. Ent. Zeit. 1844. 121 (Corcthra MEIGEN, restricted, but this 



was a mistake, as he placed the type of Corcthra in his Mochlonyx). 

 SCHINER, Fauna Austr., n, 623, 1864 (Corcthra}. 

 THEOBALD, Monogr. of Culicidse, n, 288, 1901 (id.). 

 GILES, Handb. of Gnats, 2d ed., 500, 1902 (id.). 

 JOHANNSEN, Bull. 68, N. Y. St. Mus., 392, 1903, table of species, etc. 



(Corethra). 



albipes JOHANNSEN, Bull. 68, N. Y. State Mus., 399 (Corcthra}. Ithaca, N. Y. 

 appendiculata HERRICK, Geol. and Nat. Hist. Surv. Minnesota, 1884, 10, pi. 5. larva 



only, vaguely described (Corcthra). Lake of the Isles, Minn. 

 JOHANNSEN, Bull. 68, N. Y. St. Mus., 394, quotes part of desc. (id.). 

 plumicornis FABRICIUS, Ent. Syst, iv, 246 (Tipitla} ; Syst. Antl., 42 (Chironomus). 



Europe. 

 MEIGEN, Klassif., i, 8. pi. i, f. 12 (Corcthra latcralis) ; 34 (Ccratopogon 



plumicornis') ; Syst. Beschr., i, 15 (Corethra). 

 SCHINER, Fauna Austr., n, 624, syn., etc. (Corcthra). 

 THEOBALD, Monogr. of Culicidae, 11, 299 (id.). Europe. 

 GILES, Handb. of Gnats. 2d ed., 503 (id.). 

 JOHANNSEN, Bull. 68, N. Y. St. Mus., 395, pi. xxxix, var. aincricana; 



larva and pupa also desc. and fig. (id.). N. J., 111., N. Y., Minn. 

 MEINERT, Die Eucephale Myggelarver, 398-421, pi. n, f. 35-56, full and 



delightful account of biology, with history of its study by old writers 



( Corethra) . Europe. 



White Mts., N. H. Mrs. Slosson's List (id.). 

 punctipennis SAY, Jour. Acad. Sci. Phil., in, 16; Compl. Works, n, 43 (Corethra). 



-Pa. 



WIEDEMANN, Auss. Zweifl., I, 14 (id.). 

 LOEW, Cent., n, i (Corethra trivittata'). Me. 

 ROEDER, Stett. Ent. Zeit., 1885, 338, oc. in Porto Rico (id.). 

 THEOBALD, Mon. Culicidse, u, 296 (id.). 

 GILES, Handb. of Gnats, 2d ed., 502 (id.). 

 DYAR, Jour. N. Y. Ent. Soc., x, 201, pi. xix, f. 2, larva in detail (Cor. 



trivittata) . 

 JOHANNSEN, Bull. 68, N. Y. St. Mus., 397, quotes Say's and Loew's desc.; 



pi. xxxix, f. ii, larva (Corcthra). Ithaca, N. Y. 



Yukon R. Alaska O. S. Cat.; N. J. Smith Cat. 



