:WS THE CANADIAN ENTOMOL0GI8T. 



ninth, which are subequal, the ninth bluntly pointed at tip; the 

 dorsum of the thorax polished ; the scutellum finely and sparsely 

 punctured beyond the middle ; front wings with the free part of 

 R 4 strongly bowed, the greatest length of the cell R, one third 

 greater than the greatest length of the cell R 5 ; the legs finely seri- 

 ceous ; the posterior metatarsus shorter than all the following seg- 

 ments together, the second segment slightly longer than the greatest 

 length of the third, and the third twice as long as the fourth ; the 

 abdomen inclining to reddish in some individual-:, finely, sparsely 

 cetaceous ; the saw guides 1 mg and slender, straight above and 

 below, long oblique and bluntly rounded at apex. Length, 6 mm. 

 This is the species given by Norton as Sclandia cerasi, Peck. 

 Habitat : Eastern United Slates /imacina, Retz. 



Front wings with the radial cross-vein and the free part of R, not 

 interstitial, distant 3. 



3. Front with a distiiu t impressed V-shaped furrow behind the anterior 

 ocellus 4. 



Front uniformly flat around the anterior ocellus, without indication of 

 a V-shaped furrow 9. 



\. Middle fovea triangular in outline and flat on the bottom 5. 



Middle fovea rounded or angular in outline and angular on the 

 bottom 7. 



5. Front wings with the cell R t twice as wide at the R 4 end as at the 

 R-, end ; body black, with the legs beyond the apical fourth of the 

 femora, except a more or less distinctly marked fuscous spot on the 

 apical third of the posterior tibia;, white; the walls of the pentag- 

 onal area distinct, the ridges fine, except on their ventral ends, 

 where they become dilated, forming a distinct frontal crest ; with a 

 distinct V-shaped mark behind the median ocellus, its walls high 

 and rounded above ; the walls of the pentagonal area continued 

 almost to the base of the antenna?, parenthesis-mark-like in shape 

 on top, the enlarged ventral ends of the walls united, broken at 

 middle by a fine shallow notch ; the median fovea deep, triangular 

 in outline, with rounded high walls on the dorsal side, united at 

 each ventral angle with the antennal fovea, and bounded on the 

 ventral side at middle by a small, rounded, tubercular hypoclypeal 

 area; antennal furrow represented on each side of the front by a 

 rounded pit, situated just above the dilated ends of the walls of the 



