THE CANADUN ENTOMOLOGIST. 301 



joint pale greenish. Legs rather long and slender ; femora pale greenish 

 at base, shading gradually from brown to black at the apex ; cox» 

 pale greenish ; tibire dark yellowish, their apex and the tarsi black. 

 Nectaries long and slender, slightly stoutest at base, about two-thirds the 

 length of the femora, reaching beyond the tip of the tail, and of a black 

 colour, with their basal fourth or less, pale greenish. Tail about one- 

 fourth the length of the nectaries, curved upwards, densely covered with 

 minute spines, and provided with a few rather long and fine hairs along 

 the edges ; green, changing gradually to dusky towards the end. Rostrum 

 short, not reaching to the median coxte, pale dirty yellowish, the last two 

 joints brown or black. Wings transparent, iridescent ; the subcosta 

 faintly yellowish or greenish, its base more or less distinctly yellow ; 

 stigma pale greenish, and with a pale dusky shading along the outer and 

 inner margin ; costa and veins slender and black. 



The antennie are apparently without any sensoria, but are provided 

 with a few short and capitate sensorial hairs ; those of the tibiae are quite 

 numerous and slightly enlarged at the tip. 



Apterous Female. — Length, 4 to 4.4 mm. to the tip of the tail. 

 Coloration as in the winged form, though more distinctly pruinous ; 

 head yellowish ; coxaj and femora pale bluish-green, tlieir apex black ; 

 tail pale green or frequently yellowish. Hairs of antenna:; and legs as in 

 the winged form. The larva>, and especially the pupte, are distinctly 

 pruinous, giving to them a whitish appearance in a certain light. The 

 younger larvw are yellowish, with antennal joints three and four white, 

 tipped with black. Pupte pale yellowish-green, head and thorax pale 

 greenish, the wing-pads almost white, and with a dusky streak near inner 

 edge ; coloration of antennae as in the larvae ; femora very pale greenish, 

 the tibije pale yellowish, with the apex black. 



THE HESSIAN FLY ATTACKING TIMOTHY. 



When examining some stems of timothy grass taken from a wheat 



field in Prince Edward Island, wliere this year's crop had been badly 



infested with Hessian Fly. I found two of the stems of timothy which bore 



the undoubted flax seed-like puparia of the Hessian Fly. There was only 



a single puparium on each stem, and these were at the second joint from 



the root, lying inside the sheathing base of the leaf close above the knot. 



The Hessian Fly is recorded as attacking timothy in Russia, but I do not 



recall any record of similar work in America. 



J. Fleicher, Ottawa. 



