. The insect and other allied pests of orchard, bush and hothouse fruits and their prevention and treatment . Insect pests; Fruit. Inseclv Injurious to tJie Apple 187 yellowish-red to pink, winy: buds paler with dusky ii[iici.'S, also meal)'. 11 nii/ciI nrljiin'oiis J'ciiiiilr with lilaek tkurax, yellewisli-red uljdo- 111 en ; cornicles lilack ; k\L;s with jiale liases and tiljia' and also pale around tlie base of the cornicles. Tlie aiitnnin fbriu has deeji Idaek head and thorax, redilish-lirown abdomen \'i-ilh a diiskv centi'al area, and a dark liand lietween the cornicles. Structrn'ally tli
. The insect and other allied pests of orchard, bush and hothouse fruits and their prevention and treatment . Insect pests; Fruit. Inseclv Injurious to tJie Apple 187 yellowish-red to pink, winy: buds paler with dusky ii[iici.'S, also meal)'. 11 nii/ciI nrljiin'oiis J'ciiiiilr with lilaek tkurax, yellewisli-red uljdo- 111 en ; cornicles lilack ; k\L;s with jiale liases and tiljia' and also pale around tlie base of the cornicles. Tlie aiitnnin fbriu has deeji Idaek head and thorax, redilish-lirown abdomen \'i-ilh a diiskv centi'al area, and a dark liand lietween the cornicles. Structrn'ally tliis auliuiiii form ditters frdm the spring' in liaviug no tubercles on the head, and on the seventh and eighth abdominal segments. The orijiiirolls fcimilc is pale lenKin- yellow with dusky head, eyes, antenna' and tarsi. The ninh is winged, and has a greenish abdomen marked with black and a dark thorax and narniwer than the winged female. Tliis species hatches aliout the same tinre as ^4. Jifclui, that is, somewhat earlier than A. i:)iiiiil. Two or three bronds occur, and then they leave the apple, flying apparently to a new food plant. Tlie\' disappear during the last week in June until the second week in Tuly. The autunm winged females return in September and Octolier and produce a generation of winged males and wingless oviparous females. The hitter lay their oval, shifiy 1)lack eggs eitlier on tlie spurs, axils of buds, shoots, or on the trunks of the trees. Most, if not all, the aphis eggs found on the trunks belong to this species. In (^'airrbridge some years ago this was the only fornr I found, and was considered to be the Ajihis inuli, , ^l. immi, T)e Geer. In Kent it is common, and during lOOC did no little harm to the young The Blossom and Stem Aphis. {Aji J I is _ fl tell I i. Sanderson.) This also has been taken to be the common Aplils '[idiiii by Ormerod(3), Wliitehead (4), and others in I'.iitain. Yet in 1829, Joshua Major (5) clearly pointed out this
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectpests, bookyear
