842 N. C. AGR. EXP. STA. BUL. 239 
scutellum transversely striate behind transverse sulcus. Forewing with mem- 
brane including only inner apical cell, veins elevated, fairly distinct, with three 
closed anteapical cells of which the bases are all located proximal to a trans- 
verse line drawn through claval apex, with four apical cells, the base of fourth 
more proximal than base of third, without an anteapical plexus of veins; fore- 
wings of female in rest position exceeding apex of ovipositor. Hindleg at rest 
with knee not attaining posterior proepimeral margin; femoral setal formula 
2:1:1; length of first tarsomere equal to or greater than combined length of 
two more distal tarsomeres, and with two parallel rows of small setae on plan- 
tar surface. Sternal abdominal apodemes very short. 
Male genitalia: Pygofer not strongly produced, posterior margin very 
broadly convex, with a number of microsetae on ventral half and a few sub- 
marginal small macrosetae near apex, pygofer processes absent. Plates 
triangular, extending posteriorly beyond apex of pygofer, with numerous 
irregularly arranged microsetae. Style not extending as far posteriorly as apex 
of connective, narrowed and truncate apically, with a distinct preapical lobe. 
Aedeagus with shaft very short, curved slightly dorsally, without shaft 
processes, dorsal apodemes very short, divergent, base of shaft extending ven- 
trally and connected more firmly to the paraphyses (which could almost be 
regarded as aedeagal processes) than usual in the Graphocephala generic group; 
paraphyses with rami of almost equal size but arising at asymmetrical loca- 
tions from their stalk. 
Female abdominal sternum VII long and broad, longer than exposed por- 
tion of pygofer in ventral view, abruptly narrowed in apical portion, with apex 
angular. Genital chamber without a sclerite or sclerites. Ovipositor with 
second valvulae each strongly convex on dorsal margin beyond basal cur- 
vature and bearing widely spaced primary teeth, with weak secondaries on 
each of the primaries, apex acute, the apical angle being dorsal. Pygofer well 
produced, with a number of macrosetae and a few microsetae located near 
dorsal portion of posteroventral margin. 
Campecha is known only from the type-species, C. semirasa (Fowler). It is 
known only from South Central Mexico. Nothing is known of its biology. 
Campecha Melichar is one of the Jsogonalia (q. v.) complex of genera, and is 
similar in the structure of the female genitalia to Amphigonalia, n. gen., and 
several other genera of the complex. The males are like most of those of 
Graphocephala Van Duzee in the asymmetry of the paraphyses, resulting from 
the rami arising at successive positions from the stalk. The short aedeagal 
shaft with the long basal portion below the atrium is distinctive for Campecha, 
in addition to the characters used in the key. 
120. GENUS DECUA OMAN 
FiGURES 681, 682 
Decua Oman, 1949a:71. Type-species: Cicadella cucurbita Ball, by original designation. 
Length of male 4.1-5.5 mm, of female 4.5 mm (based on two specimens). 
Head strongly conically produced, with anterior margin narrowly rounded 
in dorsal view, median length of crown varying from slightly less than seven- 
tenths of, to almost equal to interocular width, and from slightly more than 
