MONOGRAPH OF THE DORYLIDES. 
75 
Species III .—Labidus Jurinii , Shk. (Mon. Dor. p. 11.) “ Rufo-testaceus, pubescens ; 
capito (mandibulis antennisque cxceptis) nigro ; pcdunculo abdominis subtrigono, supra 
valde concavo ; pedibus longissimis,” tibiis posticis articuloqu© basali tarsorum posticorum 
compressis ; alis subfulvis. Long. Corp. lin. 10-j. Expans. alar. lin. 20. 
Supposed by Mr. Shuckard to be an inhabitant of Demerara* Mr. Miers has brought it 
from Brazil. 
Species IY.—Labidus Latreillii, Jurine, (Latr. Shk.). Rufo-testaceus pubescens, pedunculo 
abdominis subtrigono, supra in medio piano, ad latera elevato ; alis late fulvis venis fuscis 
Long. Corp. lig. 8 9^ mens. angl. 
Inhabits Cayenne. 
Species V.— Labidus ServiUei , W. (Plate 20, fig. 2.) Testaceo-fulvus breviter pilosus, capito 
nigro, pedunculo subtrigono, lateribus valde elevatis, tibiis basique tarsorum posticorum latis 
compressis, alis infuscatis, venis fulvo-fuscis. Long. Corp. lin. 8^. Expans. alar, 
lin. 14. 
Taken at Para, in Brazil, by W. Burcliell, Esq., on the 1 st February, 1830,at 11 o clock p.m. 
The head small and black, the ocelli large, and placed in a triangle; the space between 
each of the hind ones and the eyes equal to the space between these two ocelli; facial carinse 
strong, terminating beneath the front ocelli ; mandibleslarge, curved, a large space being left be¬ 
tween them and the clypeus ; antennae long, slender, and fulvous ; basal joint thicker than the 
terminal part. Thorax not very convex in front; peduncle of the abdomen much narrower than 
the next joint, subtriangular, truncated in front, with the fore angles rounded ; hinder angles 
prominent and acute ; sides very much elevated, shining ; remainder of abdomen pubescent, 
deflexed at the extremity; anal plate not deeply notched, the two angles acute; legs long, 
fulvous ; bind tibiae fiat, attenuated along the basal half; basal joint of tarsi dilated and ernargi- 
nate within near the base to receive the spur of the tibiae ; wings dusky, the veins dark fulvous 
brown ; fore wings shorter, and more truncate at the tip than usual. 
Section B.—Peduncle with the sides parallel and not elevated. 
f .—Peduncle shorter than broad. 
—Legs moderately long. 
Species VI_ Labidus Hartigii , W. (Plate 20, fig. 3.) Rufo-brunneus, abdomine fasciculato, 
pilosissimo, pilis longis fulvis, pedunculo aogusto. Long. corp. lin. 8. Expans. alar. 
Inhabits Brazil,Rio Janeiro, J. Miers, Esq. ; also taken at Sape, in Brazil, by W . Burcliell, Esq., 
on the 14th of October, 1828, at 10 o’clock p.m. 
Entirely of a brown-red colour and not shining, except at the junction of the abdominal 
secunents ; front of the body with very short hairs ; metathorax and abdomen clothed at the 
sides above with very long fulvous hairs, and forming a thick brush at the extremity of the 
body. The antennae are moderately long and slender, the basal joint rather thicker ; mandibles 
lon<* and much curved; facial carince but little elevated, but with a deep fossula between them, 
extending to the front ocellus. Thorax very gibbous in front, m eta thorax narrower than the 
inesothorax, its hind angles rounded off. Peduncle narrow, with the hind angles acute. 
Extremity of abdomen deflexed ; fore legs short, hind legs rather long, with the tibiae and tarsi 
simple ; wings stained light honey-colour, with the stigma and veins fulvous, the submarginal 
cell lanceolate, not acuminated from the apex of the second submarginal cell, nearly as large as 
the first two snhmarginal cells united ; the first of these is somewhat larger than the second, 
and is divided from it by a curved vein, the second receives the recurrent vein rather before 
the middle of its length, beyond which the cubital vein is not thickened. 
Species YU.—Labidus Esenbeckii, W. (Plate 20, fig. 4.) Rufo-brunneus, abdomine lineis 
duabus dorsalibus pilorum rufo-brunneorum, pedunculo thoracis latitudine. Long. corp. 
lin. 1\. Expans. alar. lin. 19. 
Taken at Rio Yendinlia, in Brazil, by 
the evening. 
W. Burchell, Esq., on the 10th of September, 1828, in 
Entirely of a brown-red, not shining; mandibles very long and curved; facial carinse scarcely 
extending above the base of the antenme; the front of the thorax very gibbous, metathorax as 
broad behind as the front of the thorax, acutely truncate; peduncle as broad as # tlic meta- 
thorax, its bind angles acute ; the other abdominal segments with two rows of red-bro wn hairs, 
few in number on the anterior segments, but forming two thick pencils at the extremity, which 
