270 PROCEEDINGS OF THE NATIONAL MUSEUM. toc. 43. 



illinoensis Robertson, 1895. Illinois (Robertson). Tab. 4. 



intermedia Cresson, 1872. Texas (Belfrage). Tab. 1, p. 90. 



intermediella Cockerell, 1905. Mesilla Valley, New Mexico (Cockerell). Tab. 1. 



intorta Cresson, 1872. Texas (Belfrage). Tab. 1. / 



Male with black clypeus; antennae not half as long as in tristis. 

 kallstroemise Cockerell, 1905. Mesilla Park, New Mexico (Cockerell). Tab. 1. 

 kallstroemiee phenacoides Cockerell, 1905. Las Cruces, New Mexico (Cockerell). 

 Tab. 1. 

 Formerly confused with M. communis (male), but easily separated by the total 

 abnence of black hair on thorax and entirely ferruginous tarsi. 

 *labiatarum Cockerell, 1896. San Rafael, Vera Cruz, Mexico (Townsend). 

 Superficially rather like Tetralonia atriventris. 

 Type— Cat. No. 3356, U.S.N.M. 

 loena Cockerell, 1909. Lee County, Texas (Birkmann). 

 lupina Cresson, 1878. California (Hy. Edwards). Tab. 1. 

 Extremely close to M. agilis. ■ See Bull. S. California, Acad. Sci., February, 1905, 

 p. 31. North Yakima, Washington, July 10, 1903, from Professor Melander. 

 *lupina composita Tucker, 1909. Colorado Springs, Colorado (Tucker). 



Male with eyes bluer green and diverging less above; mesothorax more shiny. 

 Type.—Q&t. No. 12878, U.S.N.M. 

 * macheerantherae Cockerell, 1904. Near White Sands, New Mexico (Cockerell). 

 Tab. 1. 

 Also in Arizona. Male almost 15 mm. long, 

 manipularis Smith, 1854. Georgia. Tab. 1. 

 The thoracic dorsum of male has some black hair, not mentioned by Smith. 

 Notes on type. — Trans. Amer. Ent. Soc, vol. 31, p. 329. Falls Church, Virginia (N. 

 Banks). 

 martini Cockerell, 1905. Las Valles, New Mexico (T. and W. Cockerell). Tab. 1, 3. 



Visits Petalostemon in August. 

 masuca Cockerell, 1909. Fedor, Texas (Birkmann). 



Runs in Tab. 1 to \dcinity of aurigenia and agilis (males). 

 maura Cresson, 1865. Cuba (Gundlach). Tab. 1. 

 megacerata Cockerell, 1906. Fedor, Texas, October 13 (Birkmann). 



Male antennae very long (10 mm.), 

 melandri Cockerell, 1906. Fedor, Texas, October (Birkmann). Tab. 2. 

 melanosoma Cockerell, 1905. Fedor, Texas (Birkmann). 



In Canadian Entomologist, July, 1905, p. 266, i.s a table comparing this with M. 

 pernigra, atrata, and bimaculata. 

 *mentiacha Cresson, 1868. New Mexico (S. Lewis). Tab. 1. 



Colorado. (See Cresson). 

 menuacha semilupina Cockerell, 1905. Los Angeles, California (Davidson). 



Male; labrum not black at sides; red of antenme darker; mandibles with yellow 

 spot. 

 menuacha submenuacha Cockerell, 1897. Las Cruces, New Mexico (Cockerell). 



Male with mandibles black, without any yellow spot; nervures dark, 

 microsticta Cockerell, 1905. Vancouver Island. Tab. 1. 

 *mimica Cresson, 1869. Cuba. Tab. 1. 



Also in Jamaica, according to Fox. 

 * mizese Cockerell, 1905. Las Vegas, New Mexico, (S. L. Mize). Tab. 1, 3. 

 Visits Grindelia. A variety was found by Mr. Eldred Jenne at North Yakima, 

 Washington, September 26, 1903. 

 *montana Cresson, 1878. Colorado (Ridings); New Mexico (Lewis). Tab. 1. 



The female described is the same as M. grindelise, but the male is another species. 

 morosa Cresson, 1878. Mexico (Sumichrast). Tab. 1, p. 82. 



