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| Bentancourt,Carlos M.; Scatoni,Iris B.. |
| La biología de Mallocephala deserticola Berg fue estudiada en condiciones de laboratorio a 25±1ºC, 75±10% HR y 16 hs de luz. Las hembras iniciaron la oviposición dentro de las 24 hs después de su emergencia, depositando la mayoría de los huevos en las primeras 36 hs. Las puestas fueron en masas y cada hembra depositó en promedio 457 huevos. El 23,1% de las hembras no ovipusieron o si lo hicieron los huevos resultaron infértiles. Las hembras vírgenes pusieron menor cantidad de huevos y tardaron más en iniciar la puesta. La proporción de hembras y machos fue de 1,7:1. Los adultos, que son dimórficos y no se alimentan, vivieron 6,5 días. El período de incubación de los huevos fue de 6,9 días y su viabilidad de 89,7%. La duración del desarrollo de las larvas... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Insecta; Estados inmaduros; Desarrollo; Comportamiento; Reproducción. |
| Ano: 1998 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0301-80591998000200007 |
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| Bentancourt,Carlos M.; Scatoni,Iris B.; Gonzalez,Alvaro; Franco,Jorge. |
| The effect of six natural diets on the development and reproduction of Argyrotaenia sphaleropa (Meyrick) was measured under laboratory conditions, at 23 ±1ºC temperature, 70 ± 10% RH, and photoperiod of 16L:8D. Larvae were reared on three types of diet (spring leaves, summer leaves and fruits) from two different host plants (apple tree and grapevine). Larval development, number of instars, survival, weight of pupae, fecundity, and fertility varied as a function of diets. The shortest time span of larval development, the greatest pupal weight, and the greatest adult fecundity and fertility was observed on insects feeding on spring apple leaves. The duration of larval development was longer on fruits than on leaves. The lowest larval survival occurred on... |
| Tipo: Info:eu-repo/semantics/report |
Palavras-chave: Insecta; Tortricid moth; Host plant; Biology. |
| Ano: 2003 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2003000400004 |
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| Bentancourt,Carlos M.; Scatoni,Iris B.. |
| Porphyrosela minuta Clarke is a gracillariid that causes damage on white clover (Trifolium repens) in Uruguay. In this article, the eggs, all the larval instars, the pupa and the external morphological characteristics of the adult are described. Information about the insect's biology under laboratory and field conditions is presented. The eggs are laid singly on the upper surface of the leaflets. The larvae make extensive mines that appear as white blotches. The larvae develop through five instars and do not remain exposed during their development. At 25ºC the life cycle lasted 16.2 days, made up of 3.0 for eggs, 8.8 for larvae and 4.4 for pupae. Females began laying on the first night, and during an oviposition period that varied between five and 12 days... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Insect; Leaf-miner; Description; Development; Reproduction. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2007000400005 |
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| Bentancourt,Carlos M.; Scatoni,Iris B.; Gonzalez,Alvaro; Franco,Jorge. |
| The effect of seven natural diets on the development and reproduction of Bonagota cranaodes (Meyrick) was evaluated under laboratory conditions. The experiments were carried out at the temperature of 23 ± 1ºC, with 70 ± 10% of RH and a photoperiod of 16:8h (L:D). The larvae were reared on apple, grapevine and honeysuckle (Lonicera japonica). On the first two foods three types of diet were used: spring leaves, summer leaves and fruits. The number of instars varied from five to seven. The larvae reared on apple leaves had, in general, fewer instars than those reared on grapevine and honeysuckle leaves. The duration of larval development differed between diets. The larvae reared on spring apple leaves showed the shortest duration, and those on fruit the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Insecta; Leafroller; Diet; Host plant; Immature stage; Reproductive biology. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2004000300004 |
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