338 
BRAZILIAN ORTHOPTERA 
sharply delimited by contour, as well as texture and color, from the remainder 
of the tegmen; anal field elongate pyriform, its apex nearly at the middle of the 
sutural margin: venation partly obscured by the coriaceous character of the 
tegmina and at the same time lacking sharp definition in its own structure 
(except in the shining, normally covered portion of dextral tegmen); eight to 
nine costal veins distinguishable; discoidal and median veins parallel for a 
considerable distance, three apparent discoidal rami, which are obliquely 
directed toward the sutural margin, are present; anal sulcus impressed, delicate, 
continuous, gently arcuate; axillary veins four in number, relatively faint. 
Wings subequal to the tegmina in length: costal margin slightly oldique and 
straight in proximal three-fifths, thence truncate and distad sharply arcuate 
to the base of the intercalated field: intercalated field of medium size, folded 
and reflexed, the base obtuse-angulate, the greatest length of the field equal to 
about one-sixth that of the remainder of the wing: mediastine vein continued 
to the apex of the field, following the trend of the costal margin in the proximal 
half, there bent and continuing distad at a very broad obtuse angle; costal 
veins irregular, nine in nmnber, hardly clavate; area l)etween the mediastine 
and discoidal veins very broad, at greatest width almost equal to the distance 
from the discoidal to the anal vein, the latter following much the same direc- 
tion as the mediastine vein, area with seven transverse nervures, which are not 
parallel in direction, the areolets distad, however, being subquadrate; medio- 
discoidal area narrow, hardly half as wide as the medio-ulnar area; median vein 
following the same general trend of the above described veins, the medio- 
ulnar area with four nervures distad. Abdomen with the ante-penultimate 
dorsal segment well produced into rectangulate projections latero-caudad : 
supra-anal plate transverse, trigonal, compressed and subrostrate mesad, the 
free margin broadly arcuato-emarginate laterad, the median compressed section 
with a very shallow obtuse-angulate emargination, each side of which emargina- 
tion on the compressed section is placed a group of chaetiform hairs: cerci 
twice as long as the supra-anal jdate, tapering, acuminate, dorsal surface de- 
pressed, ventral surface with numerous chaetiform hairs: subgenital plate 
large, weakly compressed proximo-laterad, distad with a consideral)le median 
fissation, the free margin in general form sub-rectangulate. Caudal tarsi with 
the metatarsus subequal in length to the remaining tarsal joints. 
General color of the dorsal surface burnt sienna, of the ventral surface black- 
ish brown. Head with the occiput, interocular region and face to the level of 
the ventral portion of the antennal scrobes orange rufous; ventral portion of 
the face and mouth parts of the color of the ventral surface, with weak points 
of orange rufous on the face, the palpi in part, and the labrum edged with dull 
ochraceous-orange ; eyes blackish brown; antennae black, the first and third 
joints to a variable degree orange rufous, mesad with a broad cream white 
annulus involving eight joints, distad the black passes into ochraceous-tawny.^ 
Pronotum with the disk approaching chestnut, weakly mottled with darker 
(dull fuscous), particularly caudad and laterad, lateral portions of the pronotum 
ochraceous-buff. Tegmina with the marginal field whitish. Dorsum of the 
* As the antennae are incomplete in the type, certain of these characters have 
been drawn from the paratype. 
