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Performance of Agasicles hygrophila (Coleoptera: Chrysomelidae), a biological control agent of invasive alligator weed, at low non-freezing temperatures
The results indicated that A. hygrophila has the capacity to stand relatively low non-freezing temperatures for short durations, which would help it to overwinter and establish natural populations in some areas, especially in areas where protected cultivations are extensive and ambient temperatures are not as low as those in the open field. Expand
Investigation and identification of the whitefly parasitoids (Hymenoptera: Aphelinidae, Platygasteridae)
Through the investigations in some areas of Fujian Province in China, 22 species of whitefly parasitoids were identified, including 19 species of Encarsia Foerster and 2 species of EretmocerusExpand
Laboratory evaluation of the sublethal effects of four selective pesticides on the predatory mite Neoseiulus cucumeris (Oudemans) (Acari: Phytoseiidae)
Findings showed that chlorantraniliprole could be used in fields with N. cucumeris, whereas flubendiamide and metaflumizone had poor compatibility with this predatory mite, and it would be counterproductive to combine the use of this biological control agent with spirotetramat. Expand
Effects of acetamiprid on life cycle development of predatory mite Amblyseius cucumeris (Acari: Phytoseiidae) after contact exposure.
Acetamiprid had significant adverse effects on different development life stages of A. cucumeris in different development stages, providing informative data for implementing biological and chemical control strategies in integrated pest management of spider mites. Expand
Demography and Population Projection of Flea Beetle, Agasicles hygrophila (Coleoptera: Chrysomelidae), Fed on Alligator Weed Under Elevated CO2
Abstract The flea beetle, Agasicles hygrophila Selman and Vogt, was introduced into China in 1987. For a more comprehensive understanding of the effect of elevated CO2 concentration on the populationExpand
Sex ratio effects on copulation, fecundity and progeny fitness for Agasicles hygrophila, a biological control agent of alligator weed
Females at 20% and 33.3% were found to be optimal for mass rearing of the beetle, and the copulation frequency and duration in males decreased, whereas those in females increased as the number of males increased. Expand
Indirect Effect of Elevated CO2 on Population Parameters and Growth of Agasicles hygrophila (Coleoptera: Chrysomelidae), a Biocontrol Agent of Alligatorweed (Amaranthaceae).
Alligatorweed, Alternanthera philoxeroide (Mart.) Griseb. (Amaranthaceae) is an invasive weed in China that is often kept under control by the alligatorweed flea beetle, Agasicles hygrophila SelmanExpand
[Evaluation of non-host plant ethanol extracts against Plutella xylostella population].
The evaluation of 8 kinds of non-host plant ethanol extracts against experimental population of Plutella xylostella indicated that the test plant extracts could interfere the development of P. xylastella population significantly, and had the potential as an effective measure for controlling insect pest. Expand
Water Hyacinth Eichhornia crassipes (Mart.) Solms
Water hyacinth, Eichhornia crassipes, is considered as one of the world’s worst weeds. They successfully invaded lakes, ponds, canals, and rivers. It is still rapidly spreading into manyExpand