814 N. C. AGR. EXP. STA. BUL. 239 
Schistogonalia prava, NEW SPECIES 
FiGuRE 657, PAGE 813 
Length of male 9.6 mm, of female 9.5-9.9 mm. Head with median length of 
crown varying from slightly less than one-half to slightly less than six-tenths 
interocular width, and from three-tenths to more than one-third transocular 
width; scutellum not or only very weakly rugulose behind transverse sulcus. 
Male with pygofer tapered and narrowly rounded at apex, macrosetae 
numerous, pygofer processes absent. 
Crown, pronotum, scutellum, and forewings, tan (castaneous in one speci- 
men and with pronotum bearing dull white spots on posterior half), fore- 
wings each with yellow to ivory spots, one near base of clavus and one near 
its middle and with an adjacent spot on corium posterolaterally from each of 
these, the more anterior pair of spots varying in size and shape, the more 
posterior ones almost continuous across the claval suture, with or without an 
additional spot on corium opposite claval apex; face, propleura, and legs con- 
colorous with dorsum except black apex of each anterior tibia, and darkly suf- 
fused anterior and middle tarsi. 
Holotype male, Irazu, Costa Rica (Schild and Burgdorf); two males, two 
females and one specimen without abdomen, Costa Rica, ‘‘No. 1110” (C. H. 
Ballou); one female, Pods Volcano, Costa Rica, 2300 m., April 30, 1933 “‘C. 
R. #1110” (S. and C. H. Ballou); one female, ‘“‘Coliblanco”’, Costa Rica, 
January 1937, on Phoebe tonduziu (C. H. Ballou), “Costa Rica No. 1110’; one 
female, ‘“‘La Chonta’’, Costa Rica, June 9, 1951 (O. L. Cartwright) (USNM). 
One female, Pacayas, Costa Rica (C. Werckele) (AMNH). 
S. prava, n. sp., has no pygofer processes in the male, and is smaller, darker, 
and differently marked than S. rhypha, n. sp. 
Schistogonalia rhypha, NEw SPECIES 
FIGURE 658, PAGE 813 
Length of male 8.0-8.3 mm, female unknown. Head with median length of 
crown approximately four-tenths interocular width and less than three-tenths 
transocular width, scutellum weakly rugulose behind transverse sulcus. Male 
pygofer bearing a dorsoapical acute process and with a narrowly rounded 
posteroventral lobe, macrosetae few compared with S. prava, n. sp. 
Crown, pronotum, scutellum, and forewings, black, with an interrupted 
ivory band across base of crown and an interrupted bluish-white band across 
pronotum; forewing with pale bluish spots in the same pattern as in prava and 
with apical spot more pronounced, apical portion of wing suffused with dark 
red; clypeus and median portion of clypellus black, remainder pale with 
variable degree of dark suffusion; propleura dark except narrow red ventral 
margin of proepisternum and broad ivory band parallel to posterior margin of 
proepimeron; remainder of pleura and all femora red, tibiae and tarsi tan. 
