|
|
|
| Registros recuperados: 147 | |
|
|
| Lorini,Lisete Maria; Rebelato,Gisele Sana; Bonatti,Juliano. |
| Lonomia obliqua is an insect that has urticant spines in the larval stage. This species may cause death as a result of haemorrhages caused by a toxin released from the caterpillar's spines onto the skin of the victim. Since 1989 when this species was identified in Rio Grande do Sul, Brazil, many accidents have happened. The aim of this study was to verify the oviposition, fecundity, fertility, viability of eggs and incubation period of the species. Adults were left in a moth's cage to mate and lay eggs. Thirteen couples were observed daily, and the number of eggs and the caterpillars emerged were recorded. The results showed a mean of 2.8 (± 1.3) ovipositions, a mean fecundity of 135.3 (± 54.4) eggs/female, a mean fertility of 111.9 (± 55.4) eggs/female, a... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Lonomia obliqua; Urticant caterpillar; Public health; Fecundity; Fertility. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000400011 |
| |
|
| |
|
| |
|
|
| TEIXEIRA,R. L.; MUSICK,J. A.. |
| The reproductive and feeding biology of the lined seahorse, Hippocampus erectus, was studied in Chesapeake Bay. Seahorses are monogamous, and males incubate the eggs received from females in a closed brood pouch (= marsupium). Females do not play any parental care after mating. Total sex ratio and the operational sex ratio was strongly skewed toward females. Males and females had similar number of eggs/embryos and hydrated oocytes, respectively. The number of eggs/embryos found in the male brood pouch varied from 97 to 1,552 (fish from 80 to 126 mm TL), whereas the number of hydrated oocytes in female varied from 90 to 1,313 (fish from 60 to 123 mm TL). Both, the number of eggs/embryos and hydrated oocytes were better linearly correlated to total weight... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Parental care; Fecundity; Fertility; Amphipods; Estuary. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71082001000100011 |
| |
|
|
| Farooq,Muzammil; Freed,Shoaib. |
| Abstract The housefly Musca domestica is a worldwide insect pest that acts as a vector for many pathogenic diseases in both people and animals. The present study was conducted to evaluate the virulence of different local isolates of Beauveria bassiana, Metarhizium anisopliae and Isaria fumosorosea on M. domestica using two bioassay techniques: (1) adult immersion and (2) a bait method applied to both larvae and adults. The results showed evidence of a broad range of responses by both stages (larvae and adults) to the tested isolates of B. bassiana, M. anisopliae and I. fumosorosea. These responses were concentration-dependent, with mortality percentages ranging from 53.00% to 96.00%. Because it resulted in lower LC50 values and a shorter lethal time, B.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Entomopathogenic fungi; Fecundity; Housefly; Infectivity; Pathogen; Vector. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000400807 |
| |
|
| |
|
|
| Pereira,Aldo; Casals,Pedro; Salazar,Ana María; Gerding,Marcos. |
| Obscure mealybug, Pseudococcus viburni (Signoret), is a cosmopolitan pest that causes damage by suction of vascular juices and the production of honeydew, as well as for being a quarantine insect. Within control options, entomopathogenic fungi are a good alternative, nevertheless, more research is needed. In this research, the Metarhizium anisopliae var. anisopliae (Metschnikoff) isolate Qu-M984 was evaluated on P. viburni under laboratory conditions. Virulence was evaluated by lethal dose 50 (LD50) and lethal time 50 (LT50), for each of the four life stages of the female. The doses tested were 10(5), 10(6), 10(7) and 10(8) conidia mL-1. Also fecundity, egg size, fertility, and longevity of adult females were evaluated at doses of 10(5) and 10(6) conidia... |
| Tipo: Journal article |
Palavras-chave: Lethal dose; Lethal time; Biological control; Entomopathogenic fungus; Fecundity; Fertility; Longevity. |
| Ano: 2011 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392011000400009 |
| |
| Registros recuperados: 147 | |
|
|
|
