By David V. Alford
A whole figuring out of the biology and lifestyles histories of pest species is key for all these taken with crop construction and crop defense. this crucial new identify presents complete insurance of significant insect and mite pest species, essentially in Northern Europe. Textbook of Agricultural Entomology is greatly divided into components. the 1st half covers the exterior and inner positive aspects of the main insect and mite pest households, whereas the second one half presents specific descriptions of significant pest species together with details on existence historical past phases (vital info whilst contemplating keep watch over tools) and the vegetation which those species assault.
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Extra resources for A Textbook of Agricultural Entomology
25. The main family of weevils; adults with geniculate antennae and a very long scape (Fig. 78b): rostrum variable in form, sometimes exceedingly long; body often clothed in scale-like hairs. EXAMPLES: Anthonominae - Anthonomus pomorum (apple blossom weevil); Brachyderinae Philopedon plagiatus (sand weevil); Ceuthorhynchinae - Ceutorhynchus assimilis (cabbage seed weevil); Otiorhynchinae - Otiorhynchus sulcatus (vine weevil), Phyllobius pyri (common leaf weevil); Sitoninae - Sitona lineatus (pea & bean weevil).
45b). Male scales (if present) typically smaller and narrower than those of females, and often distinctly ribbed longitudinally. EXAMPLES: Aulacaspis rosae (rose scale), Lepidosaphes ulmi (mussel scale). 28 The Main Groups of Insects and Mites Fig. 45 A scale insect, Lepidosaphes ulmi - family Diaspididae: (a) adult female scale (xf 5); (b) ventral view of adult female (x30). 24. Family COCCIDAE (soft scales) (p. ) Fig. 43 Adult male of a scale insect, Pulvinaria ribesiae - superfamily Coccoidea (x35).
107 Larva of an agromyzid fly - family Agromyzidae: (a) cephalopharyngeal skeleton subfamily Phytomyzinae. Fig. 110 Dorsal view of the thoracic sutures of a calyptrate fly - series Schizophora, Calyptratrae. Fig. 108 Dorsal view of the head of a chloropid fly family Chloropidae. Ophiomyia simplex (larva = asparagus miner); Phytomyzinae - Cerodontha ireos (larva = iris leaf miner), Liriomyza trifolii (larva = American serpentine leaf miner), Napomyza carotae (larva = carrot miner), Phytomyza rufipes (larva = cabbage leaf miner).
A Textbook of Agricultural Entomology by David V. Alford