Injurious insects of the farm and garden : With a chapter on beneficial insects / [Mary Treat].

  • Mary Treat
Date:
1903
Catalogue details

Licence: In copyright

Credit: Injurious insects of the farm and garden : With a chapter on beneficial insects / [Mary Treat]. Source: Wellcome Collection.

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    Order YII.—NEUROPTERA.—Nerve-winged Insects. This Order takes in the Dragon-flies, Lace-wings, White-ants, etc. The veins in the wings of these insects are so numerous, that they look like net- work, and give the name, from Neuron, nerve, to the Order. These insects do no harm, with the excep- Flg. 10. AQUATIC LARVA OF DRAGON-FLY. ^ \\']1 j te-Ull tS, and Book-lice. Some are quite beneficial to man, both in the larval and winged states. The larvae of the Dragon-flies are aquatic, and exceedingly voracious; they prey upon the larvae of Mosquitoes, and in the perfect insects destroy vast numbers of winged Mosquitoes.
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