OF NATURAL I118TORV. 7;',1 



liKMBEX Fair. Latr. 



1. B. LONOIHOSTRA. — Kostruiii oxttinliii- hoyun.l the iuHor- 

 tion of the ititonnoiJiute feet ; Huperior-winj^s with the luari'inal 

 and last subm:irjj;iri;il cells divided by u very diHtiDct wnacc. 



Inhabits Mexico. 



IJody black, with short, dense, white hair: antenna; tinned 

 with piceous ; first joint white beneath: anterior (»rbiLs dull 

 white : nasus whitish, with two black spots : terj;um white, with 

 a bilobate, black spot at base : rostrum honey-yellow; extending 

 nearly to the origin of the posterior feet : collar, anterior and 

 posterior margins white : [367] thorax with a very HUiall ful- 

 vous, abbreviated line each side of the middle, and a small, 

 double, fulvous spot behind the middle : scutel with a wliito 

 lateral spot : metathorax with a white line at b;ise ami an obliiiue 

 one each side towards the tip: tergunj varied with yellow and 

 black or green and black; the posterior margins of the segn>ont« 

 dull rufous; about four distinct black spots : feet honey-yellow : 

 thighs black beneath : tarsi paler : venter honey-yellow, with a 

 black spot before the anterior spine. 



Length from seven-tenths to four-fifths of an inch. 

 With the short maxillary palpi and the one-toothed mandible 

 of Bonbcx, this insect has the radial and last cubiud cellules aa 

 widely separated at their tips as in Monedula. The proboscis is 

 not folded, but extended horizontally beneath the body. These 

 characters may justify the formation of a distinct genus, or at 

 least of a division, under the name of Steniolia. 



'1. B. F.vsciATA Fabr. — A male in my cabinet has six hand.'' 

 upon the tergum and two spots on the ultimate segment : the 

 first band is double the width of that of the female, and is inter- 

 rupted by a very small space only ; second band not interruj)tcd, 

 but its two lunules are so continued as to inclo.sc two black spots ; 

 third band with the lunules not or hardly interrupted ; fourth 

 and fifth bands interrupted ; sixth band entire, undulated : PjMjts 

 on the ultimate segment, orbicular ; the female has but five 

 bands. 



1835.] 



