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repels flying insects [4] Chives: repels carrot fly, Japanese beetle, [2] and aphids [3] Chrysanthemums: repel roaches, ants, the Japanese beetle, ticks, silverfish, lice, fleas, bedbugs, and root-knot nematodes [2] Citronella grass: repels insects, may deter cats [5] Clovers: repel aphids and wireworms [3] Common lantana: repels mosquitoes [1 ...
The adults grow up to 5–6 millimetres (0.20–0.24 in) long. The colour of this insect is brilliant metallic green, as the black body is coated in emerald round scales. If the scales wear off the body beneath appears dark. Antennae are pale with a dark club. These beetles show a short groove between the eyes and evident striae on the elytra. [4]
Ground beetles, nematodes and fungi can kill both immature and adult weevils. The parasitic wasp attacks pine weevil larvae only. [5] Fungus Tarichium hylobii (from the order Entomophthorales order) is a pathogen of Hylobius abietis, especially in the Czech Republic. [7] Entomopathogenic nematodes are microscopic worms that kill only insects.
Long grass and ponds support amphibians. Not removing dead annuals and non-hardy plants in the autumn allow insects to make use of their hollow stems during winter. [31] In California, prune trees are sometimes planted in grape vineyards to provide an improved overwintering habitat or refuge for a key grape pest parasitoid. [32]
Many trees are wind pollinated. But others such as fruit trees, linden, catalpa, and black locust trees are bee and wind pollinated and imidacloprid would likely be found in the flowers in small quantities. Higher doses must be used to control boring insects than other types. [9]
Sucking insects use feeding tubes to feed from phloem (e.g. aphids, leafhoppers, scales and whiteflies), or to suck cell contents (e.g. thrips and mites). An insecticide is more effective if it is in the compartment the insect feeds from. The physicochemical properties of the insecticide determine how it is distributed throughout the plant. [11 ...