312 MR. W. F. KIRBT — A REVISION OF 



Genus 84. Nannodiplax. 

 Brauer, Verb, zool.-bot. Ges. Wien, xviii. pp. 369, 556, 735 (1868). 



Frontal tubercle convex ; eyes contiguous ; abdomen shorter than the hind wings, 

 hardly thickened at the base, segments 2 and -3 carinated : pterostigma short ; fore 

 wings with 7 antenodal and 6 postnodal nervures (those not continuous not stated), 

 triangle replaced by a narrow trapezium (broad in all the allied genera), followed by 

 first two and then three rows of cells, subtriangular space consisting of one very narrow 

 cell, sectors of the arculus stalked, nodal sector scarcely waved; hind wings rather 

 broader than the fore wings, the triangle normal. 



Type Nannodiplax rubra, Brauer. 



The characters are compiled from Brauer's description. 



Genus 85. Fylgia, g. n. 

 (Plate LI. figs. 2, i.) 



Frontal tubercle rounded ; eyes large, contiguous in front ; abdomen moderately 

 broad, a little constricted at the base, about as long as the hind wings, segments 2-4 

 carinated, segment 8 not perfoliate in female : pterostigma moderate ; fore wings with 

 8-10 antenodal nervures, the last not continuous, and 5-6 postnodals, the first not 

 continuous ; hind wings with 6-7 antenodals and 5 postnodals, the first postnodal not 

 continuous ; fore wings with cells of the postcostal area simple, triangle converted into 

 a trapezium, free, followed by one row of cells almost to the margin, subtriangular 

 space consisting of one cell ; sectors of the arculus with a long stalk, the upper sector 

 slightly angulated before the middle, no supratriangular nervures, lower basal cell with 

 one cross nervure, nodal sector only slightly cui-ved at base, cells between the nodal 

 and subnodal sectors simple nearly to the hind margin, upper sector of the triangle 

 rising at its apex in male, just above in female ; hind wings with the triangle regular, 

 its base formed by the prolongation of the arculus, followed by three rows of cells, 

 then two, and more, upper sector of the triangle rising at about one third of the 

 distance from the apex : upper anal appendages of the male shorter than the eighth 

 segment, pointed, the lower appendage not much shorter, appendages of the second 

 segment only moderately prominent. 



Type Fylgia amazonica, sp. u. 



Genus 86. NA_N\\OTHEins. 

 Brauer, Verb, zool.-bot. Ges. Wien, xviii. pp. 369, 726 (1868). 

 Nannophya, Hag. Naur. N. Amer. p. 186 (1861). 



Frontal tubercle rounded ; eyes large, contiguous in front ; abdomen moderately 

 slender, cylindrical, shorter than the hind wings, segments 2-4 carinated, segment 8 not 

 perfoliate in female : pterostigma rather small ; fore wings with 6-7 antenodal and 5-6 

 postnodal nervures, the first postnodal not continuous, cells of the postnodal area 



