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The longhorn beetles (Cerambycidae), also known as long-horned or longicorns (whose larvae are often referred to as roundheaded borers), are a large family of beetles, with over 35,000 species described.
Asian long-horned beetle larvae do not pupate before they reach a critical weight, so additional larval instars can occur. [ 2 ] Pupation usually occurs in spring at the end of the larval tunnel in the sapwood , eclosion occurs 12–50 days later, and adults will chew out of the tree approximately one week after eclosion. [ 2 ]
Rhagium mordax, the black-spotted longhorn beetle, [1] is a species of long-horned beetle. [2] This beetle is found throughout Europe and to Kazakhstan and Russia. [2] Larvae develop in silver fir, hazel, European weeping birch, European beech, and the European chestnut. [2]
Monochamus is a genus of longhorn beetles found throughout the world. They are commonly known as sawyer beetles or sawyers, as their larvae bore into dead or dying trees, especially conifers [1] such as pines. They are the type genus of the Monochamini, a tribe in the huge long-horned beetle subfamily Lamiinae, but typically included in the ...
Oemona hirta, the lemon tree borer, also known as the whistling beetle or the singing beetle, is a longhorn beetle endemic to New Zealand. [1] Its larvae are generalist feeders, boring into the wood of a wide variety of trees, native and introduced.
The body is elongated and flattened and slightly haired. Elytrae have 2 or 3 parallel ridges. The antennae of females are not longer than half of the body and those of males are about two-thirds of the body length. The egg is white and elongated, and is around 0.5 mm × 1.9 mm in size. The larva is white, flattened and up to 28–39 mm long.
How to identify an adult Asian longhorned beetle A shiny black body with white spots that is about 1” to 1 1/2” long. Black and white antennae that are longer than the insect’s body.
Citrus long-horned beetles find mates using contact and short-range pheromones. The host plant for larvae is important for determining longevity and fecundity of adults. [9] Female citrus long-horned beetle lay and deposit individual eggs in tree bark. [2] More specifically, the lower trunk, root collar region, and exposed roots.