نتایج جستجو برای: larva samples
تعداد نتایج: 426609 فیلتر نتایج به سال:
Contact with the soil, fomites or hands contaminated with the animals’ feces favors accidental human infection either through ingestion of Toxocara canis embryonic eggs, resulting in Visceral Larva Migrans (VLM) syndrome (Coelho et al., 2001), or through percutaneous penetration of Ancylostoma caninum and Ancylostoma braziliense infective larvae, causing Cutaneous Larva Migrans (CLM) Syndrome (...
BACKGROUND Of the two known Eupareophora species, more is known about the larva and bionomics of the Nearctic E. parca, than the rarely recorded West Palaearctic E. exarmata. NEW INFORMATION The last instar larva and prepupa of E. exarmata is illustrated and briefly described. In Germany its host is Fraxinus excelsior.
The larva of Dicrepidius ramicornis (Palisot de Beauvois) and pupa of Dipropus brasilianus (Germar) are described. The larva of D. brasilianus is redescribed. The immatures of both species are illustrated. Comparisons among the known larvae of Dipropus species and between the two genera are presented. A provisional key to Dicrepidiina genera with known larvae is provided.
The fourth instar larva of Stilobezzia punctulata Lane is described for the first time and the one of Stilobezzia fiebrigi Kieffer is redescribed. They are illustrated and photomicrographed from material collected in different aquatic environments of the province of Corrientes, Argentina. Both species show features typical to carnivorous-predatory larva.
the use of resistant cultivars remains one of the most reliable methods to manage the pests. in this study the mechanism of resistance in 10 lines of rice for 3 kinds of resistance (antixenoses, antibioses and tolerance) was studied. the egg set of striped stem borer on the leaf of considered lines for antixenoses and larva weight mean and survival percentage of larva were evaluated for antibio...
The development of indigenously isolated entomopathogenic nematodes as biological control agents was investigated. The study involved three nematode species (Heterorhabditis indica, Steinernema thermophilum and S. glaseri) and their pathogenicity against larvae of cabbage butterfly, Pieris brassicae, under laboratory conditions. Nematodes of different concentrations (0, 10, 25, 50, 75, and 100 ...
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