108 ENTOMOLOGICAL NEWS. [ May, ’12 
III, mesepisternum two-thirds black, pale area not reaching antealar 
sinus, mesepimeron as in II, with pale slightly reduced, metepisternum 
and metepimeron pale as in II, but a distinct line on second lateral 
suture. 
IV, mesepisternum two-thirds black, but pale area reaching the 
antealar sinus, mesepimeron as in III, but posterior ventral pale area 
reduced to a spot, metepisternum black below and narrowly along 
second lateral suture, metepimeron black, pale above in a sinuate pat- 
tern. 
V, thorax all black, but a narrow pale antehumeral stripe not reach- 
ing the antealar sinus, and a narrow, abbreviated streak on the mete- 
pisternum near its middle, just posterior to the first lateral suture. 
In the tabulation which follows, these numerals, followed by + or — 
mean respectively that the thorax is slightly darker or lighter than the 
number indicates. 
MALES ONLY. 
LENGTH OF | LENGTH OF 
ABDOMEN HINDWING 
Locatity. CoLor OF THORAX. ean coe ee 
Texas... |IV+, IV-+, IV—. 32-36 | 33.6 | 25-28 | 26 
Oklahoma . |V, V—, V—, IV, V—, IV—, V—} 30-33 | 32 23-25 | 24 
Tennessee . |IV+, IV-+, IV+ 32 24.5 
Indianay 2). TC IV Vee, EV Ev 
IAWe, Jul 30-34 | 31.7 | 23-25 | 24 
Ohio, .-. 111 32 || 25 
Pennsylvania|III, III, V—, IV-++, III, III, HI.} 27-34 | 32 22-27 | 25 
Maine . . . |III, III 30 | 24 
Ontario = = I+: 33-5 | 25 
In all the males studied the abdomen is black, with narrow 
basal rings on 2-7; in one specimen from Wister, Oklahoma, 
there is some pale color laterally on 1-5, and 9 and Io have a lit- 
tle pale color laterally; in another male from Clifton, Texas, 
the pale color on 1-5 is faintly discernible ; a male from Auburn, 
‘ 
