THE CANADIAN ENTOMOLOGIST. 19 



o 



except at base and tip, black ; apex of the tibiae and the tarsi dusky, as 



also the anterior trochanters, but the middle and posterior trochanters 



are white. Length, 6 mm. 



One female, bred on Alnus. 



* * * * * * 



Larva. — Third stage. — Sitting flat on the venter, solitary, eating the 

 parenchyma of the leaf from the under side. Head round, shining 

 black, pilose; width, .5 mm. Abdominal feet on joints 6-1 1 and 13, 

 thorax a little enlarged, abdominal feet slightly spreading. Segments 

 distinct, rather faintly 3-annulate, annulet i small, 2 and 3 with many 

 pale setse, so that the larva is pilose or hairy. Colour translucent 

 whitish, with no yellow tint. The food gives a dark green band by 

 transparency, as far as joint 12. In joint 13 the fsces show black. 

 Thoracic feet faintly yellowish tinged. 



Fourth stage. — Head pale whitish, with a black shade at side and 

 vertex ; width, .8 mm. Body whitish, with a faint greenish tinge, 

 densely hairy, the tubercles slight. Alimentary canal gives a dark 

 shade. 



Fifth stage. — Head greenish, thickly dotted with brown; a confluent 

 black patch on clypeus, over eye and above and behind it ; or a patch at 

 vertex and another on side covering the eye and reaching to back of 

 head. Head shining, pilose ; mouth brown ; width, i mm. Dorsal 

 region of body olivaceous blackish ; joint 2 anteriorly, sub-ventral 

 region, venter, feet and joint 13 posteriorly, translucent whitish, not 

 shiny ; body pilose, the hairs arising from thickly-placed pale tubercles 

 on each of the three annulets. Hairs rather short and pale. 



Cocoofi double, made of white or brownish silk, large, and resem- 

 bling thin paper. 

 Eriocampa fasciata, Norton. 



Fly kindly determined by Mr. A. D. MacGillivray, 



Fourth stage. — Exactly like the larva of Monostegia quercus- 

 coccinece, Dyar, except that the head and the two posterior pairs of 

 thoracic feet are shining black. Width of head, .55 mm. 



Fifth stage. — The same; width of head, .75 mm. 



Sixth stage. — Head and ihoracic feet whitish honey-yellow ; width, 

 .75 mm. Body similar, subtranslucent, no longer shiny, finely annulated ; 

 some dorsal watery areas. Sides of thorax bright orange ; ocelli black, 

 mouth brown. The larvte do not eat in this stage, but enter the ground 

 to pupate. 



