By K.A. Spencer
The unique stimulus which began KENNETH SPENCER on a examine of the Agro myzid flies was once a call for participation, which he accredited, to translate from the German the monograph on Leaf Miners by way of Professor E. M. HERING. From this constructed approximately two decades of collaboration till Professor HERING's demise in 1967. Dr. SPENCER has himself defined over six hundred new species within the relatives, lots of which he gathered and reared from recognized host vegetation in the course of his broad travels to the entire 5 major continents. mostly due to his paintings, the variety of species identified in Britain has elevated from ninety in 1945 to 313 at the present time. he's hence uniquely certified to put in writing this e-book concerning the hundred and fifty or so species that are on a regular basis linked to cultivated vegetation. a lot of the taxonomic aspect supplied right here may be of worth essentially to experts; yet with the aid of a microscope and the botanical host checklist (Chapter 2) and the various illustrations (mostly ready through ANN SPENCER) these in agri cultural institutes and in different places should still now have the capacity to determine the vast majority of species discovered attacking vegetation in any a part of the world.
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Additional info for Agromyzidae (Diptera) of Economic Importance
Agromyza populoides Spencer Host list of Agromyzid pests Host Salix alba L. Salix fragilis L. Salix purpurea L. Salix triandra L. Salix viminalis L. Salix spp. Species Phytobia ? ) Japanagromyza salicifolii (Collin) Agromyza albitarsis Mg. SCROPHULARIACEAE Digitalis lanata Ehrh. Digitalis purpurea L. Napomyza scrophulariae Sp. Napomyza scrophulariae Sp. SOLANACEAE Capsicum annuum L. Lycopersicum esculentum L. Nicotiana tabacum L. Solanum andigenum Juz. and Buk. Solanum melongena L. Solanum tuberosum L.
Br. Trifolium alexandrinum L. Trifolium incarnatum L. Trifolium repens L. ) Phytomyza horticola Gour. ) Liriomyza trifoliearum Spencer Liriomyza trifolii (Burgess) Phytomyza horticola Gour. Phytomyza syngenesiae (Hardy) Japanagromyza tristella (Thomson) Melanagromyza dolichostigma de Meij. ) Phytomyza horticola Gour. Liriomyza trifoliearum Spencer Liriomyza trifoliearum Spencer Liriomyza trifolii (Burgess) Trifolium spp. ) Vi cia faba L. ) Liriomyza crucifericola (Hering) Liriomyza huidobrensis (Blanchard) Phytomyza horticola Gour.
MESONOTUM. 2 strong de, acrostichals numerous, in about 8 rows. WING. 3 mm in female, costa extending strongly to vein M 1 + 2 , the two cross-veins closely approximated (Fig. 12), last section of vein M 3 + 4 distinctly longer than penultimate. CoLOUR. Frons mat black, ocellar triangle greenish-black; mesonotum greenish, somewhat mat, abdomen more shining green; wings conspicuously milky-white, veins almost colourless; squamae and fringe white. MALE GENITALIA. Aedeagus as in Fig. 13, with long chitinized section below; ninth sternite with conspicuously elongated hypandrial apodeme (Fig.