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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
20/11/2000 |
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Data da última atualização: |
09/03/2006 |
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Autoria: |
VENTURA, M. U.; PANIZZI, A. R. |
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Título: |
Feeding behavior of Neomegalotomus Parvus. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONGRESS OF ENTOMOLOGY, 21., 2000, Foz do Iguassu. Abstracts... Londrina: Embrapa Soja, 2000. |
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Volume: |
v.1 |
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Páginas: |
p.455. |
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Idioma: |
Inglês |
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Conteúdo: |
Laboratory studies with Neomegalotomus parvus nymphs in multiple-choice tests indicated that seeds of pigeon pea, lablab, and soybean were visited first than seeds of common bean. Percent dabbing/antennation resulting in probing and percent probing resulting in feeding was higher on common bean (97%) and pigeon pea (87%) seeds than on lablab (55%), soybean (50%) or rice. (5%) seeds. In tests using 10 nymphs/petri dish, a higher number of flanges was deposited on seeds of pigeon pea (41) than on common bean, lablab, soybean (< 11) or rice (0). After two, four and five days, nymphs located seeds of pigeon pea preferentially than seeds of the other foods tested. In tests with 1 nymph/dish, no significant differences were found in the number of flanges deposited on seeds of pigeon pea, common bean and lablab (ca. 30); < than 5 flanges were deposited on soybean and none rice seeds. In no-choice tests, the average duration of a feeding session and the longest feeding session was greater on lablab and, to a some extent on common beans than on pigeon pea, soybean or rice seeds. The number of feeding sessions was greater on seeds of common bean, pigeon pea and soybean compared to those on lablab or rice. Tests with N. parvus adults, indicated that pigeon pea seeds were located faster, followed by common bean, soybean and rice. When pods were used, dabbing/antennation time was shorter on pigeon pea than on soybean, and probing time was longer on soybean than on pigeon pea or common bean. On pigeon pea, 100% of the insects probed the food, while on common bean and soybean pods, and on rice panicles these values dropped to 71.8%, 46.0%, and 10.5%, respectively. Adults showed similar feeding time on pigeon pea, common bean and soybean pods, and did not feed on rice panicles. Eletronic microscopy analysis indicated two apical lobes with 12 peg sensilla on the labium tip. Sensilla tips stained with silver nitrate solution indicated permeability of the cuticle and, therefore, their relationship with taste. MenosLaboratory studies with Neomegalotomus parvus nymphs in multiple-choice tests indicated that seeds of pigeon pea, lablab, and soybean were visited first than seeds of common bean. Percent dabbing/antennation resulting in probing and percent probing resulting in feeding was higher on common bean (97%) and pigeon pea (87%) seeds than on lablab (55%), soybean (50%) or rice. (5%) seeds. In tests using 10 nymphs/petri dish, a higher number of flanges was deposited on seeds of pigeon pea (41) than on common bean, lablab, soybean (< 11) or rice (0). After two, four and five days, nymphs located seeds of pigeon pea preferentially than seeds of the other foods tested. In tests with 1 nymph/dish, no significant differences were found in the number of flanges deposited on seeds of pigeon pea, common bean and lablab (ca. 30); < than 5 flanges were deposited on soybean and none rice seeds. In no-choice tests, the average duration of a feeding session and the longest feeding session was greater on lablab and, to a some extent on common beans than on pigeon pea, soybean or rice seeds. The number of feeding sessions was greater on seeds of common bean, pigeon pea and soybean compared to those on lablab or rice. Tests with N. parvus adults, indicated that pigeon pea seeds were located faster, followed by common bean, soybean and rice. When pods were used, dabbing/antennation time was shorter on pigeon pea than on soybean, and probing time was longer on soybean than on pigeon pea or common be... Mostrar Tudo |
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Palavras-Chave: |
Brasil; Feeding preference; Food selection. |
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Thesagro: |
Heteroptera; Inseto; Preferência Alimentar. |
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Thesaurus NAL: |
Alydidae; Brazil; Insecta. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02737naa a2200265 a 4500
001 1462428
005 2006-03-09
008 2000 bl uuuu u00u1 u #d
100 1 $aVENTURA, M. U.
245 $aFeeding behavior of Neomegalotomus Parvus.
260 $c2000
300 $ap.455. v.1
490 $vv.1
520 $aLaboratory studies with Neomegalotomus parvus nymphs in multiple-choice tests indicated that seeds of pigeon pea, lablab, and soybean were visited first than seeds of common bean. Percent dabbing/antennation resulting in probing and percent probing resulting in feeding was higher on common bean (97%) and pigeon pea (87%) seeds than on lablab (55%), soybean (50%) or rice. (5%) seeds. In tests using 10 nymphs/petri dish, a higher number of flanges was deposited on seeds of pigeon pea (41) than on common bean, lablab, soybean (< 11) or rice (0). After two, four and five days, nymphs located seeds of pigeon pea preferentially than seeds of the other foods tested. In tests with 1 nymph/dish, no significant differences were found in the number of flanges deposited on seeds of pigeon pea, common bean and lablab (ca. 30); < than 5 flanges were deposited on soybean and none rice seeds. In no-choice tests, the average duration of a feeding session and the longest feeding session was greater on lablab and, to a some extent on common beans than on pigeon pea, soybean or rice seeds. The number of feeding sessions was greater on seeds of common bean, pigeon pea and soybean compared to those on lablab or rice. Tests with N. parvus adults, indicated that pigeon pea seeds were located faster, followed by common bean, soybean and rice. When pods were used, dabbing/antennation time was shorter on pigeon pea than on soybean, and probing time was longer on soybean than on pigeon pea or common bean. On pigeon pea, 100% of the insects probed the food, while on common bean and soybean pods, and on rice panicles these values dropped to 71.8%, 46.0%, and 10.5%, respectively. Adults showed similar feeding time on pigeon pea, common bean and soybean pods, and did not feed on rice panicles. Eletronic microscopy analysis indicated two apical lobes with 12 peg sensilla on the labium tip. Sensilla tips stained with silver nitrate solution indicated permeability of the cuticle and, therefore, their relationship with taste.
650 $aAlydidae
650 $aBrazil
650 $aInsecta
650 $aHeteroptera
650 $aInseto
650 $aPreferência Alimentar
653 $aBrasil
653 $aFeeding preference
653 $aFood selection
700 1 $aPANIZZI, A. R.
773 $tIn: INTERNATIONAL CONGRESS OF ENTOMOLOGY, 21., 2000, Foz do Iguassu. Abstracts... Londrina: Embrapa Soja, 2000.
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