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^Egeria syring®, Harris. The Lilac Borer. 
Larva—length, 0.87 of an inch; body flattened, and somewhat 
margined at the sides, fusiform in outline; head small, triangular, 
reddish brown; first segment pale yellowish, brown above, other 
segments with a cellular dark brown spot on each side, leaving a 
pale median line. The lateral margin of each segment (each side) 
is furnished with a spine, which points laterly, and has a triangular 
base, but acute points; beneath, pale yellowish white; six thoracic 
feet. Width at widest part, over one-third the length. 
It bores through both sap and heartwood of the Lilac (Hyrmga vul¬ 
garis) . 
jEgeria pictipes, G. and R. 
The larva of this species is pale yellow, with the first thoracic 
segment brownish, with darker edges; head reddish brown, with a 
few scattered hairs. There is a lateral row of brown dots on each 
side, each dot giving rise to a whitish hair; also a row of two or 
three hairs across the back, on each segment. Length, .7 or an 
inch. 
Burrows in the trunk of the Plum tree, in the baik and sap 
^°Pupa .68 of an inch in length; shining brownish yellow. The co¬ 
coon is formed of particles of wood, cemented togethei with silk 
and gum. 
.ZEgeria asilipennis, Boisd. 
The larva is found in the trunk of the Cottonwood (Populus moni- 
lifera ). 
ZEgeria anthracipennis, Boisd. 
The larva lives in the Willow ( Salix ). 
ZEgeria tillze, Harris. 
The larva lives in the Balm-of-Gilead (Populus candicans). 
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