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Odonata is an order of predatory flying insects that includes the dragonflies and damselflies (as well as the Epiophlebia damsel-dragonflies). The two major groups are distinguished with dragonflies (Anisoptera) usually being bulkier with large compound eyes together and wings spread up or out at rest, while damselflies (suborder Zygoptera) are usually more slender with eyes placed apart and ...
They have been used in companion planting as pest control in agricultural and garden situations, and in households. Certain plants have shown effectiveness as topical repellents for haematophagous insects, such as the use of lemon eucalyptus in PMD, but incomplete research and misunderstood applications can produce variable results. [1]
Dragonflies feed on pest insects in rice, acting as a natural pest control. [91] [92] Dragonflies are steadily declining in Africa, and represent a conservation priority. [93] The dragonfly's long lifespan and low population density makes it vulnerable to disturbance, such as from collisions with vehicles on roads built near wetlands.
Great Garden Companions: A companion planting system for a beautiful, chemical-free vegetable garden. 1998. ISBN 0-87596-847-3; Hylton, W. The Rodale Herb Book, Eighth Printing. Rodale Press. 1974. ISBN 0-87857-076-4
Biological pest control (3 C, 63 P) I. Insect pests of ornamental plants (44 P) Insect vectors of plant pathogens (74 P) P. Pest control (10 C, 37 P)
In horticulture and gardening, beneficial insects are often considered those that contribute to pest control and native habitat integration. Encouraging beneficial insects, by providing suitable living conditions, is a pest control strategy, often used in organic farming, organic gardening or integrated pest management.
A 1- to 3-gallon pot is ideal for young plants, while mature plants may need 10- to 15-gallon pots. Avoid oversized pots, which can retain too much moisture and cause root issues.
Common worldwide or nearly worldwide genera are Aeshna and Anax. Anax includes some of the largest dragonflies, including the North American A. walsinghami, Hawaiian A. strenuus, European A. imperator and A. immaculifrons, and African A. tristis, but these are all exceeded by another member of the family, the Asian Tetracanthagyna plagiata, which by wingspan and weight is the world's largest ...