A NEW BROMEUCOLOUS MEGARHINUS 35 



Cotypes, three specimens, No. 15527, U. S. Nat. Mus. ; La Puerta 

 Valley, California, July, 1 9 II , and San Diego, California, June 26, 1911 

 (G. H. Field). 



One cotype is in the collection of Mr. Field. 



Zophodia fieldiella, new species. 



Brownish gray, costa washed with white ; lines nearly obsolete, inner 

 near the base, but with a long tooth reaching to discal dot, the upper 

 streak of the tooth fairly distinct ; outer line near the margin, blackish, 

 waved, followed by whitish but indistinct ; apex radially lined with black 

 on the veins ; discal dot a small black and white speck. Hind wing 

 cinereous tinged. Expanse, 1 9-2 3 mm. 



Cotypes, eight specimens. No. 15528, U. S. Nat. Mus.; La Puerta 

 Valley, California, July, 1911 (G. H. Field) ; Catalina Springs, Arizona, 

 May 8, 1898 (E. A. Schwarz). 



Three of the cotypes are in the collection of Mr. Field. 



A NEW BROMELICOLOUS MEGARHINUS 



{Diptera ; Culicida) 

 By FREDERICK KNAB 



Megarhinus iris, new species. 



Female : Palpi over three-fourths the length of the proboscis ; termineJ 

 segment minute, the penultimate upturned, subtruncate, w^th a number of 

 stout, projecting terminal bristles; vestiture of metallic violet and mauve 

 scales, golden beneath and above at base and constriction of longest joint. 

 Occiput clothed with flat iridescent blue, green and purplish scales ; cheeks 

 silvery white scaled. 



Prothoracic lobes bright metallic blue. Mesonotum clothed with small 

 dark olivaceous brown scales with blue, green and purple reflections, a 

 patch of brilliant blue scales over the roots of the wings ; bristles over the 

 roots of the wings black. Scutellum bright metallic blue scaled. 



Abdomen dorsally metallic violet-blue, basally brighter and with 

 greenish reflections, the apices of the segments with crimson luster ; seg- 

 ments with large, lateral, basal, rounded yellowish-silvery spots, visible 

 from above ; small yellowish white lateral tufts at apical cingles of sixth 

 segment, large dull black lateral tufts involving apical half of seventh seg- 

 ment and all of the sides of the eighth segment ; apical bristles of ninth 

 segment pale ; venter yellowish-silvery with median dark line. 



