MONOGRAPH OF THE DORYLIDES. 75 
Species ITl.—Labidus Jurinii, Shk. (Mon. Dor. p. 11.) ‘ Rufo-testaceus, pubescens ; 
capite (mandibulis antennisque exceptis) nigro ; pedunculo abdominis subtrigono, supra 
valde concavo ; pedibus longissimis,” tibiis posticis articuloque basali tarsorum posticorum 
compressis ; alis subfulvis. Long. Corp. lin, 103. Expans. alar. lin. 20. 
Supposed by Mr. Shuckard to be an inhabitant of Demerara. Mr. Miers has brought it 
from Brazil. 
Srecies 1V.—Labidus Latretli, Jurine, (Latr. Shk.). Rufo-testaceus pubescens, pedunculo 
abdominis subtrigono, suprain medio plano, ad latera elevato ; alis lete fulvis venis fuscis 
Long. Corp. lig. 8 94 mens. angl. 
Inhabits Cayenne. 
Species V.—Labidus Servillei, W. (Plate 20, fig. 2.) Testaceo-fulvus breviter pilosus, capite 
nigro, pedunculo subtrigono, lateribus valde elevatis, tibiis basique tarsorum posticorum latis 
compressis, alis infuscatis, venis fulvo-fuscis. Long. Corp. lin. 84. Expans. alar. 
lin. 14. 
Taken at Para, in Brazil, by W. Burchell, Esq., on the Ist February, 1830, at 11 o’clock p.m. 
The head small and black, the ocelli Jarge,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 carinze 
strong, terminating beneath the front ocelli ; mandibles large, curved, a large space being left be- 
tween them and the clypeus ; antennz 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 clevated, shining; remainder of abdomen pubescent, 
deflexed at the extremity; anal plate not deeply notched, the two angles acute; legs long, 
fulvous ; hind tibie flat, attenuated along the basal half ; basal joint of tarsi dilated and emargi- 
nate within near the base to receive the spur of the tibie ; 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. 
+.—Peduncle shorter than broad. 
+.—Legs moderately long. 
Sreecres VI.—Labidus Hartigii, W. (Plate 20, fig. 3.) Rufo-brunneus, abdomine fasciculato, 
pilosissimo, pilis longis fulvis, pedunculo angusto. Long. corp. lin. 8. Expans. alar. 
Jinse9; 
Inhabits Brazil, Rio Janeiro, J. Miers, Esq. ; also taken at Sapé, in Brazil, by W. Burchell, 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 
segments ; 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 antenne are moderately long and slender, the basal joint rather thicker ; mandibles 
long and much curved; facial carine but little elevated, but with a deep fossula between them, 
extending to the front ocellus. Thorax very gibbous in front, metathorax narrower than the 
mesothorax, 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 tibia 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 submarginal 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 VII.—Labidus Esenbeckii, W. (Plate 20, fig. 4.) Rufo-brunneus, abdomine lineis 
duabus dorsalibus pilorum rufo-brunneorum, pedunculo thoracis latitudine. Long. corp. 
lin. 73. Expans. alar. lin. 19. 
Taken at Rio Vendinha, in Brazil, by W. Burchell, Esq., on the 10th of September, 1828, in 
the evening. 
Entirely of a brown-red, not shining; mandibles very long and curved ; facial carine scarcely 
extending above the base of the antenne ; the front of the thorax very gibbous, metathorax as 
broad behind as the front of the thorax, acutely truncate; peduncle as broad as the meta- 
thorax, its hind angles acute ; the other abdominal segments with two rows of red-brown hairs, 
few in number on the anterior segments, but forming two thick pencils at the extremity, which 
