PROGOMPHUS. 
Face with obscure brownish markings on inferior part of frons, on 
middle of nasus and middle of labrum ; pale antehumeral stripe not 
or barely (i.e. by a line) confluent with the green or yellow of the 
anterior mesothoracic margin ; pale metepisternal stripe, mid-dorsal 
yellow on 3-6 and wings as above stated for zonatus ; upper surface 
of the superior appendages of the male black in the basal fourth, 
pale green in the apical three-fourths; branches of the inferior 
appendage as below stated for oAscurus. Abdomen, ¢, 38-41 mm., 
hind wing, ¢, 29-81; 9? unknown re 
Face without dark brown markings ; pale antehumeral stripes confluent 
with the yellow of the anterior mesothoracic margin, pale colours 
predominating on mesepimeron and metapleuron, pale stripes 
thereon not interrupted; the mid-dorsal yellow on abdominal 
segments 3-6 broad ; wings with two short basal brown stripes—one 
in costal and subcostal spaces, the other, less marked, in submedian 
(and, in some, also the median) space; superior appendages of the 
male yellow, branches of the inferior appendage stout, each with a 
stout supero-external anteapical tooth and a row of 3-5 denticles on 
inner margin at apex . . . oe 
[Brown basal stripe in costal and subcostal § spaces of wings reaching 
out to the first antenodal or nearly so, a trace of brown between 
the sectors of the arculus at their origin ; denticulated carina at 
base of lower surface of superior appendages of male terminating 
apically in two or more rows of denticles, the carina not extending 
to the last denticle. Size smaller: abdomen, ¢ 37-40, ? 35-37 ; 
hind wing, ¢ 29-31, ? 30-35 mm. . oe ee 
Brown basal stripe in costal and subcostal spaces of wings not reaching 
beyond basal subcostal cross-vein ; no brown trace at the origin 
of the sectors of the arculus; inferior denticulated carina at base 
of superior appendages of male terminating posteriorly in a single 
row of denticles, the carina extending to the last denticle. Size 
larger: abdomen, $ 41-45, 9 42-47; hind wing, 3 31-35, 
? 36-37 mm, . . wee ee soe 
Abdominal segment 1 with no median sternal process or tuberele ; front 
wings with one row of postcostal cells to the level of the two-celled 
discoidal triangle, and usually one row (in some two) between the 
second sector of the triangle and the hind margin; pale green ante- 
humeral stripes wide, their inner edges subparallel, their outer edges 
diverging from above downward ; pale green predominant on the sides 
of the thorax. Dimensions : abdomen, 3 25, 9?; hind wing, ¢ 19- 
21,g@20mm.. . ee ee ke 
149 
2. clendoni. 
3. obscurus. 
race obscurus type. | 
. race borealis. 
4. pygmeus. 
