![Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Beneficial insects; Insect pests. ORDER HYMENOPTERA 299 tents of which are not equal to a drop of water. However, the parasite may Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Beneficial insects; Insect pests. ORDER HYMENOPTERA 299 tents of which are not equal to a drop of water. However, the parasite may](https://c8.alamy.com/comp/RR1HWD/agricultural-entomology-for-students-farmers-fruit-growers-and-gardeners-insects-beneficial-insects-insect-pests-order-hymenoptera-299-tents-of-which-are-not-equal-to-a-drop-of-water-however-the-parasite-may-feed-upon-the-aphid-during-some-httle-time-and-is-supplied-with-food-from-the-efforts-of-the-aphid-fig-240wingless-female-of-quotgreen-vugquot-containing-larva-of-the-parasite-lysiphlebus-tritici-much-enlarged-webster-div-ent-u-s-dept-ag-sucking-nutriment-from-the-plant-this-species-is-consid-ered-one-of-the-principal-agents-in-control-of-the-spring-grain-RR1HWD.jpg)
Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Beneficial insects; Insect pests. ORDER HYMENOPTERA 299 tents of which are not equal to a drop of water. However, the parasite may
![5: Epiophlebiidae: Epiophlebia superstes (de S?lys-Longchamps, 1889).... | Download Scientific Diagram 5: Epiophlebiidae: Epiophlebia superstes (de S?lys-Longchamps, 1889).... | Download Scientific Diagram](https://www.researchgate.net/publication/228692145/figure/fig11/AS:428951442071552@1479281401139/Epiophlebiidae-Epiophlebia-superstes-de-Slys-Longchamps-1889-One-of-two-extant.png)
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![Circular. Insects. 4 Unfortunately this parasitic wasp—as with the other beneficial insects—is active only while the temperature is above 56° F., or at least 10° above that at which the " Circular. Insects. 4 Unfortunately this parasitic wasp—as with the other beneficial insects—is active only while the temperature is above 56° F., or at least 10° above that at which the "](https://c8.alamy.com/comp/REKY53/circular-insects-4-unfortunately-this-parasitic-waspas-with-the-other-beneficial-insectsis-active-only-while-the-temperature-is-above-56-f-or-at-least-10-above-that-at-which-the-quot-green-bug-quot-breeds-freely-and-fig-5lysiphlebus-tritici-pi-and-antenna-of-male-greatly-nified-original-incipal-parasite-of-the-spring-grain-aphis-adult-female-enlarged-egg-of-lysiphlebus-tritici-at-right-highly-mag-green-bug-herein-is-the-whole-secret-of-the-irregular-disastrous-outbreaks-of-the-iu-grain-fields-as-accounting-for-the-outbreak-in-the-year-1907-the-quot-green-bugq-REKY53.jpg)
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![Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. THE BUR CLOVER APHIS. 27 clover and a species of Oxalis. Mr. Sanborn has also noted it as occurring on clover {TrifoUum Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. THE BUR CLOVER APHIS. 27 clover and a species of Oxalis. Mr. Sanborn has also noted it as occurring on clover {TrifoUum](https://c8.alamy.com/comp/RGWAE7/bulletin-insects-insect-pests-entomology-insects-insect-pests-entomology-the-bur-clover-aphis-27-clover-and-a-species-of-oxalis-mr-sanborn-has-also-noted-it-as-occurring-on-clover-trifouum-hajariensis-cowpea-alfalfa-and-coffee-bean-cassia-occidentalis-late-in-april-it-often-becomes-so-abun-dant-on-bur-clover-as-to-cause-the-plant-to-wither-large-swarms-of-flies-buzzing-around-the-infested-plants-attracting-attention-to-them-like-the-cotton-ajhis-the-species-is-often-so-severely-parasitized-by-lysiphlebus-testaceipes-cress-that-it-is-killed-out-in-a-very-few-days-the-RGWAE7.jpg)
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![Elementary entomology. Insects. FIG. 396. Lysiphlebus tritici, male, the vvasplike parasite of the green-bug. (Very much enlarged) i After S. J. Hunter) which has been so destructive to grain in the Elementary entomology. Insects. FIG. 396. Lysiphlebus tritici, male, the vvasplike parasite of the green-bug. (Very much enlarged) i After S. J. Hunter) which has been so destructive to grain in the](https://c8.alamy.com/comp/RD3WEG/elementary-entomology-insects-fig-396-lysiphlebus-tritici-male-the-vvasplike-parasite-of-the-green-bug-very-much-enlarged-i-after-s-j-hunter-which-has-been-so-destructive-to-grain-in-the-southwest-this-par-asite-also-attacks-many-other-commonly-injurious-aphides-larvae-of-the-large-green-tobacco-or-tomato-worm-phlegethontius-quinque-macnlata-fig-333-are-frequently-found-covered-with-what-appear-to-be-small-silken-eggs-these-are-the-cocoons-of-little-braconids-of-the-genus-apanteles-which-have-devel-oped-within-the-cat-fig-397-lysiphlebus-parasite-in-act-of-depositin-RD3WEG.jpg)
Elementary entomology. Insects. FIG. 396. Lysiphlebus tritici, male, the vvasplike parasite of the green-bug. (Very much enlarged) i After S. J. Hunter) which has been so destructive to grain in the
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![Elementary entomology. Insects. HYMENOPTERA 251 leaves the swollen skin of the aphis through a round hole. Often whole colonies of aphides will be found to have been thus parasi- tized. One Elementary entomology. Insects. HYMENOPTERA 251 leaves the swollen skin of the aphis through a round hole. Often whole colonies of aphides will be found to have been thus parasi- tized. One](https://c8.alamy.com/comp/RD0FB1/elementary-entomology-insects-hymenoptera-251-leaves-the-swollen-skin-of-the-aphis-through-a-round-hole-often-whole-colonies-of-aphides-will-be-found-to-have-been-thus-parasi-tized-one-little-species-lysiphlcbns-tritici-has-been-principally-responsible-for-subjugating-the-green-bug-or-southern-grain-aphis-fig-396-lysiphlebus-tritici-male-the-vvasplike-parasite-of-the-green-bug-very-much-enlarged-i-after-s-j-hunter-which-has-been-so-destructive-to-grain-in-the-southwest-this-par-asite-also-attacks-many-other-commonly-injurious-aphides-larvae-of-the-large-green-tobacco-o-RD0FB1.jpg)