252 SYRPHID/E. 



tical ; ncntelliim semicircular, sometchat convex, with an imdejined edge. 

 Wings lanceolate, diverging, finely pubescent ; mhaplcal ureolet entire, 

 narrowed in the middle ; axillary lobe distinct ; subcostal and radial 

 veins ending separately in the margin ; transverse prcebrachial vein placed 

 beyond the middle of the discal areolet. Alute large, double. Halteres 

 covered. Abdomen obcouical. Legs stout ; hind femora thick, armed 

 beneath with a large tooth ; hind tibiae curved. Male. Eyes united. 

 Abdomen almost cylindrical. Feni. Eyes parted. Abdomen nearly oval. 

 The larvae feed on the bulbs of the Narcissus. 



1. clavipes, Fb. s. i. ii. 427. 29 (1781) ; LL ; Mg. ; Mq. ; Ct.! 

 b. e. 98. — curvipes, Glm. — gravipes, Rsi. Niger, alis subcinereis ; Mas. 

 thorace fulvo-hirto nigro-fasciato, abdomine aureo-hirto ; Fcem. tho- 

 race rufo-hirto, abdomine basi iGcisurisquc aureo-hirtis. Long. 8 ; 

 alar. 12 lin. 



Black. Wings pale grey. Male. Thorax clothed with tawny hairs 

 with the exception of a broad black band. Abdomen clothed with 

 gilded hau-s. Fem. Thorax clothed with reddish hairs ; abdomen with 

 gilded hairs at the base and at the sutures. 



Very rare; has been found in Northam])tonshire. In the 

 British Museum, and in Mr. Desvignes' collection. (E.) 



Genus VIIL TROPIDIA. 



Tropidia, Mg. zw. iii. 347. 2 (1822) ; St. E. et Srv. ; Mg. ; Lw. ; 

 Ztt. ; Ct. ; Edn. Eristalis p., EIn. 



Epistoma carinatum. Antennae capitis latitndine conjunctim breviores ; 



articulus quintus nudus. Scutellum depressnm, acutuni. Areola siib- 



apicalis integra; lohus axillaris distinctus; vence snbcostalis et radialis 



ad marginem disjunctce; vena transversa prcebrachialis trans medium 



areola discalis inserta. Femora postica acie angulata arniata. 



Body rather broad, convex. Head semicircular ; epistoma heeled. 



Labrum long, emarginate at the tip. Lingua slender, acute, as long as 



the labrum. Maxillae sid^lanceolate, nearly as long as the lingua. 



Palpi slender, pilose, shorter than the maxilhie. Labium rather large. 



AntenntB 6-jointed, approximate, inserted in a small cavity at the upper 



part of a protuberance in the middle of the face, jointly shorter than the 



breadth of the head ; first joint short, cylindrical ; second stouter, pilose, 



cyathiform ?, oblique at the tip ; third patelliform, truncate at the tip ; 



fourth and fifth extremely short ; fourth seated on the third a little before 



the middle; sixth setiform, bare, very long. Thorax subquadrate, slightly 



rounded ; scittellmn semicircular, flat, with a sharp edge. Wings finely 



|n\bescent, incumbent, ])arallcl, somewhat dcilexcd ; subapical areolet 



entire ; axillary lobe distinct ; subcostal and radial veins ending sepa- 



