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There is a similar-looking pest species of leaf beetle in a related genus, Plesispa reichei, also sometimes referred to as the "coconut leaf beetle", which is distinguished only with some difficulty from B. longissima; primarily by its slightly broader body and stronger punctation.
The insects of the beetle family Chrysomelidae are commonly known as leaf beetles, and include over 37,000 (and probably at least 50,000) [citation needed] species in more than 2,500 genera, making up one of the largest and most commonly encountered of all beetle families.
The southern pine beetle reddish brown to black exoskeleton and measures approximately 3 mm (0.12 in), about the size of a grain of rice. It is short-legged; the front of the male's head is notched, and the female possesses a wide elevated transverse ridge, [3] and the hind abdomen of both is round.
If you think you found a beetle or tree damage, report it by calling the ALB hotline at 1-866-702-9938 or submitting an online report at www.AsianLonghornedBeetle.com. Try to photograph the ALB or ...
A leaf miner is any one of numerous species of insects in which the larval stage lives in, and eats, the leaf tissue of plants. The vast majority of leaf-mining insects are moths (Lepidoptera), sawflies (Symphyta, a paraphyletic group which Apocrita (wasps, bees and ants) evolved from), and flies . Some beetles also exhibit this behavior.
Both the adults and larvae feed on the emergent leaves of the elm. Repeated heavy infestation rarely kills the tree outright, but weakens it, rendering it vulnerable to disease. Falling branches encourage elm bark beetles (Scolytus multistriatus and S. schevyrewi) to proliferate; the beetles are vectors of Dutch elm disease. [4]
The wing cases of the lily leaf beetle are dimpled and are shinier and more rounded than those of the cardinal beetle, which are relatively dull, and narrower, flatter, and more elongated. The cardinal beetle also has comb-like antennae. [5] The lily leaf beetle is herbivorous, while the cardinal beetle preys on insects. [6]
The spruce beetle is the most serious pest of mature and overmature interior spruce in British Columbia; [8] small-diameter, rapidly growing trees were least susceptible to attack or death from spruce beetle, and the greater susceptibility of large-diameter, slowly-growing trees was more closely related to recent radial growth than to diameter. [9]