. The pear thrips (Taeniothrips inconsequens Uzel) and its control in British Columbia [microform]. Pear thrips; Insect pests; Thrips; Insectes nuisibles, Lutte contre les; Thrips du poirier; Thrips. SI HABITS. Food PlantsâNative and Cultivated. In addition to being a pj^t of dociduous fruit trees., the pear thripn ha*« iK'tome thoroughK e«tahli8he«l on many other trees and Hhrubs on \ancouvcr island, chief amou|? which are the broad-leavetl maple (Acer macrophyllum) June berry (Amelanchier florida), willow iSalix Hcouleriana), red-flowerinff <urrant (ffj6f# gartfutnrum). choke cherry (P
. The pear thrips (Taeniothrips inconsequens Uzel) and its control in British Columbia [microform]. Pear thrips; Insect pests; Thrips; Insectes nuisibles, Lutte contre les; Thrips du poirier; Thrips. SI HABITS. Food PlantsâNative and Cultivated. In addition to being a pj^t of dociduous fruit trees., the pear thripn ha*« iK'tome thoroughK e«tahli8he«l on many other trees and Hhrubs on \ancouvcr island, chief amou|? which are the broad-leavetl maple (Acer macrophyllum) June berry (Amelanchier florida), willow iSalix Hcouleriana), red-flowerinff <urrant (ffj6f# gartfutnrum). choke cherry (Prunun demiom), XuttailV cherry t\uUaUm ceraHtformtn), and also, incidentally, on skunk cal)l) (LyHichiton himMhatkeme), Douglas fir (P»eud(Amga mucronala), (Jregon RraiM' (Herherh ..(â rrtwa), daisy {BMt» perennh), and dandelion (Taraxacum officinale) In a nursery, it was found to occur on certain ornamental shrubs anti trws such as Andromeda floribunda. Viburnum opulenta, as well as the Japanese flowerinir |)lum. " I' 1917 60 I .TO -I 4» : 47 ^ 4.^.' 46 ⢠44 IT I <l 4. flu. 13.âShiiwing a cli'Mtn>yr(l bli)n«)iii-bu(l and an injurnl l)li»«"cl by thr (cfMiinn activities of tin- adult ppar , however, of its breeding on the others just enumerated. In 1917. ti e injury to maples was greater than that caused to any kind of deciduous fruit (rr â¢>. and was widely distribute<l through- out the Saanich peninsula and ections of the island, extending also to the maples of the neighbouring gulf islands. In one marked , twenty buds of a maple examined at Duncan. V. I., yielded almost one thrips. The liuds were seriously retarded in their growth, and many never recovered from the initial check. Late in the summer, when they should have been in full leaf, the trees presented a miserable, bare appearance. The maples .skirting the ti V r. Please note that these images are extracted from scanne
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectpests, bookyear
