. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Fig. 70. Spruce Sawfly larva ; head and anal seg- ments—greatly enlarged. The adult Sawflies (Fig. 69) appear about the 20th of May. They spend only a few hours depositing their eggs and then disappear. The saw- fly is a large, black, shiny insect, about 14 long. The mandibles and a part of the face is yellow, the rest of the body is black. The thorax is feebly punctured. The antennae are about 9 long and 32 jointed. The upper wings are mostly clear, while the lower wings are clear above
. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Fig. 70. Spruce Sawfly larva ; head and anal seg- ments—greatly enlarged. The adult Sawflies (Fig. 69) appear about the 20th of May. They spend only a few hours depositing their eggs and then disappear. The saw- fly is a large, black, shiny insect, about 14 long. The mandibles and a part of the face is yellow, the rest of the body is black. The thorax is feebly punctured. The antennae are about 9 long and 32 jointed. The upper wings are mostly clear, while the lower wings are clear above and dusky toward the outer margin. BUMBLE-BEES THAT EEETILIZE THE RED CLOVER. By T. D. Jarvis, Ontario Agricultural College, Guelph. In the month of June Mr. C. C. James, Deputy Minister of Agriculture, mailed to our department a letter which he had received from the New ' Zealand Government, enquiring for information on the species of Bombus that fertilizes the red clover in Ontario so that they might find out what species is most useful in clover fertilization. The following is a copy of the letter received from Mr. 0. B. Pember- ton, Secretary of the Canterbury Agricultural and Pastoral Association, Christ church,' New Zealand, 26 May, 1905. The Secretary of Agricvlture. Sir I take the liberty of writing to you on behalf of this Association regarding the- fertilization of Red Clover in Canada. A CommitteB of this Association has been appointed to enquire into the fertiliza- tion of red clover in other countries with the view of the introduction of the bees most suitable as fertilizing agents. Before the introduction of the bumblebee into New Zealand from England m 1855, the vield of red clover seed was not sufficient to be commercially payable. Since the introduction, however, the yields have been more prolific, but it is still thought that the best results have not yet been Please note that these images are extracted from scanned page images that may have been
Size: 2075px × 1204px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsectp, bookyear1872