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83  Articles
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Caterpillars are insects that eat oil palm leaves. As a herbivore, its presence and feeding activity will be affected by the growth phase of the host plant. This study aims to determine the percentage and intensity of caterpillar attacks on oil palm (Elae... see more

A caterpillar is a tree obtained from a path by attaching pendant vertices. The number of caterpillars of size n is a well-known result. In this work extend this result exploring the number of caterpillars of size n together with the cardinalities of the ... see more

Biological features of the development of the corn earworm in Ukraine are insufficiently studied. Therefore, the research conducted in 2017–2019 were the first attempt to describe in detail the phenology of the pest in the maize agrocenosis of the Left Ba... see more

This study aims to determine the effect of combined treatment plant extracts bintaro and giving the extract concentration on the mortality of armyworm pests. While the research method used factorial experiments conducted with a completely randomized desig... see more

A complete caterpillar is a caterpillar in which each internal vertex is a quasi-pendent vertex. In this paper, in the class of all complete caterpillars on n vertices and diameter d, the caterpillar attaining the largest Laplacian index is dete... see more

The velvetbean caterpillar, Anticarsia gemmatalis Hübner (Lepidoptera: Noctuidae), is the most important defoliator of soybean (Glycine max L. Merrill, Fabaceae) crops in Brazil. Early-instar caterpillars of this pest are the main target of control. The o... see more

Hyperparasitoids use the immature offspring of other parasitoids for their development, which may reduce the efficiency of biological control. The aim of this study was to evaluate the hyperparasitoidism by Brachymeria koehleri Blanchard (Hymenoptera: Cha... see more

Ficus benjamina L. (Moraceae) is an exotic ornamental plant in Brazil. The aim of this study was to identify a defoliator and its parasitoid on F. benjamina plants in Viçosa, Minas Gerais, Brazil and to determine the number of pupae and the emergence of l... see more

The objective of laboratory trial presented in this paper were to establish in what measure the NeemAzal-T/S (1% azadirachtin A) insecticide has effect on feeding of Lymantria dispar caterpillars, when it is applied as emulsion of 5%, 10%, 20% and 20% emu... see more

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