By David V. Alford
An entire knowing of the biology and lifestyles histories of pest species is essential for all these focused on crop creation and crop safety. this crucial new identify presents complete assurance of significant insect and mite pest species, essentially in Northern Europe. Textbook of Agricultural Entomology is greatly divided into elements. the 1st half covers the exterior and inner beneficial properties of the main insect and mite pest households, whereas the second one half offers targeted descriptions of significant pest species together with details on existence historical past phases (vital info whilst contemplating keep an eye on tools) and the plants which those species assault.
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Additional resources for A Textbook of Agricultural Entomology
Some species have predacious larvae (including Chloropisca glabra which feeds on root aphids) but most are phytophagous; larvae elongate, with prominent anterior and posterior Stout-bodied flies clothed in soft hair; hypopleural bristles present; postscutellum well developed; females with an extensile oviscapt. Larvae are internal parasites of mammals and some are of considerable economic importance. EXAMPLES: Hypoderma spp. (warble flies), Oestrus ovis (sheep nostril fly). Order DIPTERA (True Flies) 51 spiracles conspicuous and often distinctly sclerotized; endoparasitoids, most species attacking lepidopterous larvae and pupae.
Lesser mealworm beetles), Latheticus oryzae (long-headed flour beetle); Tenebrioninae Tenebrio spp. (mealworm beetles); Ulominae - Gnatocerus spp. (horned flour beetles), Tribolium spp. (flour beetles). Superfamily CHRYSOMELOIDEA A large and varied group of mainly phytophagous beetles with 5-segmented tarsi (but the Fig. 72 Anal segment of a mealworm - family Tenebrionidae. (Beetles) 39 fourth segment very small and often overlooked); antennae not clubbed. Larvae usually eruciform, with well-developed thoracic legs.
Fig. , with remains of prey camouflaging the body (x7). Family CHRYSOPIDAE (green lacewings) Medium-sized to large, usually green lacewings; antennae filiform and typically longer than forewings; wings with few longitudinal veins and with relatively few veins bifurcating near the wing margin (Fig. 54) (cf. Fig. 52); compound eyes prominent and brilliantly metallic. Eggs laid at the tips of threads of mucus that rapidly harden to form a stalk. Larvae fusiform, with prominent tubercles and setae (Fig.