Download Agromyzidae (Diptera) of Economic Importance by K.A. Spencer PDF

By K.A. Spencer

The unique stimulus which all started KENNETH SPENCER on a learn of the Agro­ myzid flies used to be a call for participation, which he approved, to translate from the German the monograph on Leaf Miners by way of Professor E. M. HERING. From this built approximately twenty years of collaboration until eventually Professor HERING's demise in 1967. Dr. SPENCER has himself defined over six hundred new species within the relatives, a lot of which he accumulated and reared from recognized host vegetation in the course of his wide travels to the entire 5 major continents. principally due to his paintings, the variety of species identified in Britain has elevated from ninety in 1945 to 313 this present day. he's hence uniquely certified to write down this e-book concerning the hundred and fifty or so species that are usually linked to cultivated crops. a lot of the taxonomic aspect supplied right here should be of worth essentially to experts; yet with assistance from a microscope and the botanical host record (Chapter 2) and the varied illustrations (mostly ready by way of ANN SPENCER) these in agri­ cultural institutes and in other places may still now be ready to determine nearly all of species came upon attacking vegetation in any a part of the world.

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Height of eye, cheeks linear; third antenna! segment small, round, arista virtually bare. MESONOTUM. 2 strong de, acrostichals in some 10 rows in front, extending in 4 or 5 rows to level of first de. WING. 2 mm in female, last section of vein M 3 + 4 two-thirds length of penultimate, first cross-vein slightly beyond midpoint of discal cell. CoLOUR. Frons mat black, ocellar triangle and orbits scarcely shining; mesonotum mat, almost greyish-black viewed from front, weakly shining black from behind; abdomen weakly shining, greenish; squamae grey, margin and fringe black; halteres black.

Melanagromyza lini Spencer Liriomyza huidobrensis (Blanchard) Phytomyza horticola Gour. ) Liriomyza sativae Blanchard Melanagromyza hibisci Spencer Liriomyza trifolii (Burgess) MORACEAE Morus sp. Agromyza morivora Sasakawa and MYRTACEAE Eucalyptus camaldulensis Dehnh. Japanagromyza eucalypti Spencer PEDELIACEAE Sesamum indicum L. Melanagromyza azawii Spencer ROSACEAE Crataegus spp. Fragaria ananasa Duchesne Fragaria vesca L. Fragaria virginiana Duchesne Malus spp. Prunus avium L. Prunus cerasifera Ehrh.

CoLOUR. Frons mat black, ocellar triangle and orbits weakly shining, blackish; lunule somewhat paler, blackish-grey; mesonotum dark blackish-green, moderately shining when viewed from front, conspicuously so from rear; abdomen shining greenish; squamae and fringe white, margin slightly differentiated, pale orange. 50 MALE GENITALIA. Aedeagus as in Figs. 39, 40; surstyli curving inwards with up to six long slender bristles at end (Fig. 41). HosT-PLANT . Phaseolus vulgaris L. (kidney bean). BIOLOGY.

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