The bionomics ofLiriomyza Trifolii on Gypsophila and Bean Leaves |
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| Authors: | Jeanine H W M Van Elferen Shoshana Yathom |
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| Institution: | 1. Entomology, ARO, The Volcani Center, 50250, Bet Dagan, Israel
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| Abstract: | A study was carried out to determine the distribution of feeding and oviposition punctures made byLiriomyza trifolii Burgess on gypsophila(Gypsophila paniculata ) and bean(Phaseolus vulgaris) leaves, and the development times of the immature stages on these plants. The absolute number of punctures per leaf area
was much greater on bean leaves than on gypsophila leaves. The number of mines per leaf was also higher on beans than on gypsophila,
but the ratio of mines/punctures was higher on gypsophila. Gypsophila leaves were punctured on both sides, but most of the
punctures were on the distal third of the upper leaf side. On beans the punctures were dispersed uniformly on the upper side
of the leaf. The larval period (±SE) at temperatures of 20, 25 and 30°C was 9.9±0.2, 4.4±0.1 and 3.7±0.1, and 5.5±O. l, 3.7±0.1
and 2.4±0.1 days, on gypsophila and bean, respectively. The pupal period at 17, 20, 25 and 30°C lasted 19.9±0.2, 14.7±0.1,
10.4±0.1 and 7.8±0.1 days, respectively. |
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| Keywords: | Liriomyza trifolii Gypsophila paniculata gypsophila Phaseolus vulgaris Beans distribution of leaf punctures bionomics |
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