AMKKK'AN Itll'TKKA. 7 



aiul oil ilie iiR'sopleiirne. wliere it is moderately lliiekly covered with short pile, 

 black above, whitish below. All the coxae on their outer sides with sparse whitish 

 pile, and at their lower ends with a few short whitish bristles. Halteres yellow, 

 the extreme base a little brownish. Abdomen shining black, with very short, 

 rather sparse black hairs, slightly intermixed with whitish on the sides of each 

 segment; on the hypopygium with longer light yellowish or whitish pile. Legs 

 •deep black, the front and middle knees very narrowly 3'ellowish, the pulvilli and 

 base of claws light yellow : on the front tibiae below, their tarsi and on the mid- 

 dle tarsi less so. with riMldish iiulifsccncc. Wings blackish on the anterior portion 

 toward the base, along I lie posterior and outer part more dilute, but still slightly 

 tinged with brown or blackish ; first posterior cell not at all narrowed at the margin, 

 fourth posterior (!eli broadly open, the fifth vein at the tip slightly curved backwanl. 

 One speeinien. Kern Co.. C:iliforni;i. 



1'. !VI.yola|>liii!>» riifiiM, n. >\<- 



9. — Vellowish re<l ; third joint of aiitemiae and tiie style, proboscis, occiput, 

 three broad, abbreviated stripes on the dorsum ol' tiie thorax, two spots on the 

 lower part of jvleiirae, and tips of claws black. Length 17 mm. 



Face, front, and first two joints of antennae reildisli yellow, shining, the face be- 

 low, near the eyes, and on each side of the base of the antennae lightly yellowish 

 dusted. Bristles of the oral margin yellowish white : on the sides of the front a 

 few shorter ones yellow. Third joint of antennae and the style deep black. Pro- 

 boscis black, the palpi yellowish. Occijiut black, thickly yellowish pollinose on 

 the sides; occipito-orbital bristles short, thin, and like the sparse short beard 

 below are yellow. Dorsum of thorax yellowish red, with three broad black 

 stripes, sejJarated from each other by linear intervals; the lateral ones begin some 

 distance behind the humeri and extend to within a short distance of the scutel- 

 luiii, on the posterior part narrow; the middle one begins at the prothorax and 

 has well defined edges to the transverse suture, immediately behind the suture 

 the stripe becomes obsolete. The dorsum is clothed with short, not very abundant 

 golden pile, and has three or four short, inconspicuous, yellow, intra-alar bristles. 

 Pleurae yellowish red. (except a large spot above the middle coxae, and another 

 nearly confluent, smaller one above the hind coxae, which are smooth, shining, 

 pitchy black. On the mesopleurac and upper jiart of the -sternopleurae with 

 golden yellow pile, moderately dense ; just beyond this there is a smooth shining 

 space. Halteres yellow. Abdomen wholly red, darker, somewhat ferruginous 

 along the dorsum ; very shining and clothed with sparse, short golden pile. Legs 

 wholly reddish yellow, the tips of the claws only black; pulvilli and the base of 

 the tibiae lighter colored, the coxae on their outer sides with whitish pile. Wings 

 very distinctly blackish clouded on the outer part, the veins blackish, at the base 

 the veins and cells are yellow. First and fourth posterior cells a little more nar- 

 row at their outer parts than in M. vielas. 



One Hpecimen. Kern Co., Ciiliftirnia (II. K. Morrisitii). 



It is probably that, as in the following .species, the wings in tiie male 

 may be, not yellow, but bniwn nr bhu-kish toward the base. 



3. 9I.reIa|>liii$« lobicoriiis. 



Ceraliirgii.s lobicoini.s Oslen .Sackeii, Western ])ipt. 287. 



•' % 9.— Head and thorax wholly black, coxae, trochanters, more or less of the 

 base'of the four front femora, tips of tarsi, narrow base and lateral margins of 



