Commodities Affected: , Threat: Establishment of this insect in natural forests could reduce the number of host plants e. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report. These infestations have been eradicated, and subsequent surveys have not revealed any new infestations of C. Eggs, larvae or as pupae can overwinter within the tree. In Europe, complete development has been recorded on maple, Aesculus, , birch, , , ash, planes, poplar, , willow, and Sorbus.
The female elytra and abdomen are reddish-brown and the antennae are two-thirds to three-quarters the length of the body. The antennae of the male are slightly longer than his body. This species is highly polyphagous and feeds on a number of species in the Cupressaceae, Pinaceae and possibly Taxodiaceae families. Jerry Cook - Sam Houston State University - jcook shsu. They came and got my sample. In two areas without traps, adults emerged from dead cedar wood.
They have hardened anterior wings or elytra that are coarsely punctate. Pupation occurs in the autumn and the adults emerge from the pupae after 2-3 weeks. Life History: This beetle has a one-year life cycle in Japan. The legs are black, and the femora are elongated and swollen, relative to other cerambycids of a similar description ;. Adult beetles are often found at the base of the crotch where two branches meet. Adults are very large insects with bodies ranging from 1.
Healthy trees are less likely to become infested, so try to avoid trunk and root damage to your arborvitaes. Established populations in North Carolina, Alabama, and Louisiana Management Even though this beetle has not been established in Texas, Callidiellum villosulum has been found in the Port of Houston in trees imported from China. Adults emerge in the spring and mate. The beetle may pose a threat to the nursery industry in Connecticut and to native and cultivated cedars, junipers and arborvitae. The male antennae extend beyond the posterior of the abdomen.
As many as ten larvae may be found in a single arborvitae branch. The females would lay eggs inside the trunks of the trees. It was also declared eradicated in Toronto, Ontario, but it was re-discovered there in 2013. The male is black with reddish humeri basal angles or shoulders of the elytra ; the female has reddish or testaceous elytra hard-shelled forewings--love that greek Larvae of C. The male is black with reddish humeri basal angles or shoulders of the elytra ; the female has reddish or testaceous elytra hard-shelled forewings--love that greek Larvae of C.
After hatching, larvae enter the bark, and by making serpentine galleries, feed on the phloem and cambium. Visited a little one Saturday, that had 60% dieback. They are an irridescent blue-black color with reddish areas on the upper corners of the wing covers elytra. The pronotum has a pair of brown markings. In 2015, adults were reared from dead wood collected north of the range known in 2005.
Also, by growing vigorous trees and eliminating the dead material from potential host populations, the risk of infestation by C. Whenever you prune an arborvitae, spray or paint a wound seal on the cut face to keep borers out. Hey X-man, I've saved quite a few highly prized tree species from borer infestation death with Sevin powder carbaryl. Any they are usually planted in rows and in great numbers. Figure 3 Females lay small 1. It is not clear whether these parasitoids sting the larvae or the pupae of C. Because this insect appears to be capable of attacking living trees and could survive in the southern third of the United States, it is perceived as a high-risk pest, especially to indigenous trees such as the bald cypress and redwoods.
It is thought that the Giant Sequoia and Redwoods could be future North American host trees for this insect. Eggs hatch in 13—54 days depending on temperature. Prevention and Control The sanitation of infested materials is the best way to control populations of C. The upper sections of the legs of the adults are whitish-blue. This is the first time it has infested live trees in the United States. The beetle may pose a threat to the nursery industry in Connecticut and to native and cultivated cedars, junipers and arborvitae. All the life stages of C.
Such plants include Cryptomeria japonica or Japanese Cedar trees. The sinuous, frass-filled galleries created by the larvae become wider as the larvae grow and reach a maximum width of 6 mm. I don't want to spend money if it wont help but the infestation seems to be jumping from tree to tree. The prothorax is wider than its length, and the two sides are rounded with no lateral spikes. The tree often forms calluses along the edge of the serpentine galleries.