YOLUCELLA. 49 



Hab. Mexico, Venta de Zopilote in Guerrero 2800 feet (//. H. Smith), Teraax in 

 Northern Yucatan (Gaumer). 



Five specimens. 



10. Volucella ornata, s P . n., s . 



Frontal triangle and face light yellow, the former with a small black spot, the latter with a broad black stripe 

 on either side, extending from the eyes to the oral margin, and a narrower median one, obsolete above. 

 Cheeks yellow, blackish posteriorly. Face, in profile, projecting downward and but littlo forward, with a 

 long concavity above and a small, well-marked tubercle below. Antennte about one-half of the length of 

 the face ; brownish-red or blackish ; arista thinly plumose, not much longer than the third joint. Eyes 

 densely and long, in most reflections whitish, pilose. Mesonotum thickly light reddish-yellow-pilose ; 

 metallic black, the sides, and a geminate spot behind, as also the scutellum, honey-yellow. Pleura3 black, 

 with abundant light-coloured pile ; a yellowish spot on the mesopleura? and another above the middle coxse. 

 Abdomen brownish-black ; pile yellow ; second segment with the lateral margins, more broadly so in front 

 and contiguous behind with the outer extremity of an interrupted band, composed of two shallow crescents, 

 yellow ; third segment with two similarly-coloured narrow bands — one on the front margin, entire, the other 

 near the middle, straight and interrupted ; the second and third segments have a fringe of yellow pile 

 behind ; the fourth segment has a broad transverse groove, or, rather, a large, rounded, shallow V-shaped 

 ridge. Lees yellowish-rod or red, the basal joints of the middle tarsi and the distal ones of the hind tarsi 

 lighter-coloured ; pile yellow and black, especially abundant on the hind tibia). Wings with brownish 

 clouds ; second longitudinal vein strongly sinuous at its extremity ; third vein in front of the first posterior 

 cell not straight. 



Length 10-12 millira. 



Hah. Mexico, Jalapa (F. D. Godman). 

 Three specimens. 



11. Volucella caesariata, s P . n., <s . 



Eace on the sides light yellow, a broad median stripe, and the cheeks broadly, black ; frontal triangle black, 

 with black pile. Eace, in profile, nearly perpendicular, with a shallow eoncavity above and a small 

 tubercle below the middle. Antennas black, nearly half the length of the face ; third joint gently 

 excised ; arista but little longer than the joint. Mesonotum and scutellum thickly clothed with reddish- 

 yellow pile, obscuring the ground-colour ; the former metallic bronze-black, with the sides broadly and a 

 large posterior emargination honey-yellow, as is also the scutellum ; lateral margins and the whole 

 border of the scutellum with well-developed black bristles. Pleurse black, with black and whitish 

 pile, somewhat intermixed with fulvous above. Abdomen brownish-black, with abundant, not very 

 long, mostly yellow pile ; second segment with an oblique lateral spot, and the narrow base of the third 

 segment, yellow or yellowish. Legs black, the knees narrowly yellow ; the first three joints of all the 

 tarsi light reddish-yellow. Wings clouded with blackish distally ; cross-veins of the disc with dark brown 

 clouds ; second vein markedly sinuous at its tip. 



Length 12 millim. 



Hab. Mexico, Orizaba (H. H. Smith). 

 One specimen. 



12. Volucella mellea. 



Volucella mellea, Jaennicke, Neue exot. Dipt., in Abh. Senck. Ges. vi. p. 396 \ 



Hab. Mexico 1 , Jaral in Guanajuato, Mexico city (Schumann). 

 biol. centr.-amee., Dipt., Vol. III., December 1891. h 



