574 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 



a, dorsal row of dusky diamond-shaped spots ou the abdominal region ; on the thoracic 

 segments three obscure parallel dusky lines, and ou the supra-anal plate a dusky me- 

 >diaa band extends forward to the last diamond-shaped spot. Length, 12">™. 



37. Eupithecia-like Geometrid larva. 



Occurring on the willow at Brunswick, Me., late in August and early 

 in September. 



Larva. — Body small, somewhat flattened as in Eupithecia, the surface granulated ; 

 the lateral ridge unusually well developed ; body tapering towards each end ; the 

 head rather small, not so wide as the prothoracic segment ; dull green, with a dull 

 lilac patch near and including the eyes and occipital region. Lateral ridge deep 

 lilac, extending to both edges of the supra-anal plate ; a broad, dorsal dull green 

 longitudinal band ; the setae are short and stiff, erect. Length, 12"™. 



38. Geometrid larva. 



This is a common loopworm on the willow in August and early Sep- 

 tember ; it rolls the leaves somewhat, hiding in the rude tent thus 

 formed. It seems to have the habits of the Pyralids, and reminds one 

 of their larvae by its well marked prothoracic shield. 



Larva. — Body rather broad and somewhat flattened ; head smooth, small, not so 

 ■wide as the body, shining, deep amber-colored ; general color dusky livid lilac and 

 greenish, marbled and banded with these colors, with no definite markings ; spira- 

 -cles black ; supra-anal plate rounded, smooth ; a short, dark, shining prothoracic 

 shield. Length, SO™™. 



39. Geometrid larva. 



This caterpillar began to pupate September 2 at Brunswick, Me. 



La't'va. — Head small, rounded, not so wide as the body. Supra-anal plate moderate, 

 rounded, no stripes, spots, or humps. Greenish, with a reddish tinge. 



40. The green-striped phycid worm. 



Meroptera pravella Gr. 



(Larva, PI. v; fig. 10, a, &.*) 



This is a common insect ou the willow, occurring at Brunswick, Me., 

 August 20, and through the month. It spins a web on the under side 

 of the leaf, and pupates from the 15th to 20th of September, the moth 

 in confinement appearing (in the breeding cage at Providence) the end 

 of May (the 25th-31st). The caterpillar, which is longitudinally striped 

 with light and dark green, with black slashes on each side of the head, 

 varies somewhat ; in some there are only four slashes on the head, with 

 no other markings. The moth differs from Phycis ruhrifasciella on the 

 hickory in having no cross band of raised scales, while the insect is 



* Like all the other figures on the plate, the lithographer's work has been very poorly 

 done, and the printing is also very poor, the red and brown lines are too bright in 

 the plate. 



