Anisandrus


Type species

Anisandrus dispar (Fabricius)

Adapted from Huclr 2007, Rabaglia 2009 and Wood 1982, pages 793-796.


Diagnosis

Anisandrus dispar (Fabricius)

Adapted from Huclr 2007, Rabaglia 2009 and Wood 1982, pages 793-796.


Description

Species in this genus range from 1.8 to 3.7 mm in length and range from 2.0 to 2.3 times as long as wide. Their color ranges from dark brown to black. The pronotum is wider than long, with semi-circular rows of asperities on the anterior half and a serrate anterior margin with 6 to 8 teeth, the middle 2 usually larger. There is a tuft of hair-like setae at the base in front of the scutellum. The scutellum is relatively large and flushed with the elytra. The elytral anterior margin has no asperities.The declivity is convex to concave and varies from unarmed to bearing small granules. The anterior margin of the compound eye is emarginate. The scape is proportionally longer than the 5-segmented funicle. The club is obliquely truncate, with two recurved sutures on its anterior face. They have a depressed pregular region. The anterior coxae are contiguous.


Distribution

Europe, Eastern Asia, Canada, Northern and temperate areas of the USA


World fauna

Number of species: 10, Native species: 2, Introduced species: 2


Established exotic species

Anisandrus dispar is present in Washington, Oregon, Idaho, Utah, California, Illinois, Michigan, Ohio, Maine, Massachusetts, Rhode Island, New York, New Jersey, Pennsylvania, Maryland, West Virginia, Virginia, and North Carolina.

Anisandrus maiche is present in Pennsylvania, Ohio, and West Virginia.


Hosts

Acer, Betula, Castanea, Cornus, Fagus, Juglans, Kalmia, Lindera, Malus, Nyssa, Populus, Prunus, Quercus, Sassafras, Vitis