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Effects of Temperature on Survival, Development, Longevity, and Fecundity of Ophraella communa (Coleoptera: Chrysomelidae), a Potential Biological Control Agent Against Ambrosia artemisiifolia
TLDR
The results showed that the developmental periods for egg, larva, pupa, and entire immature stages decreased in response to the increasing temperature, with the exception of 30°C, which is a potential biological control agent against common ragweed. Expand
Control of the invasive weed Ambrosia artemisiifolia with Ophraella communa and Epiblema strenuana
TLDR
The mortality of A. artemisiifolia plants increased with time and increasing initial release densities of O. communa and/or E. strenuana resulted in the death of all plants prior to seed production in both 2008 and 2009, which implies that biological control in China with the two biological control agents will be recommended. Expand
Effect of Temperature on Development, Survival, and Fecundity of Microplitis manilae (Hymenoptera: Braconidae)
TLDR
The results suggest that the parasitoid is well adapted to temperate and subtropical climates, which implies a significant potential for using M. manilae to control S. exigua and Spodoptera litura because most of areas occupied by these two pests belong to climate-controlled regions in southeastern Asia. Expand
Effect of humidity on the development and fecundity of Ophraella communa (Coleoptera: Chrysomelidae)
TLDR
Ophraella communa prefers moist microclimate habitats, and its population may expand rapidly during mid-May to late August in south, east and central China, when the humidity is relatively high. Expand
Control efficiency of leaf beetle, Ophraella communa, on the invasive common ragweed, Ambrosia artemisiifolia, at different growing stages
TLDR
It is suggested that the initial release average density of O. communa adults should be ≥1.07 beetles per plant at the early growth stage, or ≥12 beetles per plants at the late growth stage for an effective control of A. artemisiifolia in the field. Expand
Reevaluation of biosecurity of Ophraella communa against sunflower (Helianthus annuus)
TLDR
It is concluded that sunflower is not a potential host plant for O. communa and the beetle is an effective host-specific biological control agent of common ragweed. Expand
Age Preference and Fitness of Microplitis manilae (Hymenoptera: Braconidae) Reared on Spodoptera exigua (Lepidoptera: Noctuidae)
TLDR
It is suggested that 2nd larval instar of S. exigua will be the most suitable host stage for mass production of M. manilae as well as the best instar to target for biological control in the field. Expand
Effects of Periodically Repeated Heat Events on Reproduction and Ovary Development of Agasicles hygrophila (Coleoptera: Chrysomelidae)
TLDR
This study investigated the impacts of different temperature conditions on adult reproduction and longevity, egg development time, egg hatch rate, female ovarian development, and oogenesis of A. hygrophila and concluded that the decline in the A.hygrophILA population during August and September may be related to the extreme high temperatures that frequently occur in summer. Expand
Cold Temperatures Increase Cold Hardiness in the Next Generation Ophraella communa Beetles
TLDR
Results suggest that cold hardiness of O. communa can be promoted by cold acclimation in previous generation, and it might counter-balance reduced survival in the next generation, especially when insects are tracking their host-plants into colder climates. Expand
Variation in cold hardiness among geographic populations of the ragweed beetle, Ophraella communa LeSage (Coleoptera: Chrysomelidae), a biological control agent of Ambrosia artemisiifolia L.
TLDR
It is suggested that overwintering Ophraella communa use freeze avoidance to survive winter cold and that geographically separated populations of O. communa are diverging with respect to their baseline cold hardiness in accordance with the severity of low temperatures experienced during the coldest winter months in each locality. Expand
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