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Monochamus scutellatus
Classification
Diagnostic Features of Larvae
- Larva. Distinguishable from Monochamus titillator by the fact that the dorsal anal lobe does not project perceptibly, and from Monochamus notatus by characters given in key. Pupa. Distinguished by the smaller, though similarly disposed, spines except that the transverse band across the anterior border of the protergum is lacking. Including the western variety, this species occurs throughout the northern pine-growing regions of the United States and Canada. It feeds in Pinus, Picea and Abies. Its habits are similar to M. titillator. It has been found commonly pupating between the bark and wood. Adapted from Craighead (1923).
Biology and Economic Importance
- Members of this tribe include one of the most notorious cerambycids: the Asian Longhorned Beetle (ALB), Anoplophora glabripennis. In 1996, this invasive species was discovered in New York City and later in Chicago. Native to China and the Korean peninsula, ALB was accidentally imported into the U.S. via wooden shipping materials (Lingafelter & Hoebeke 2002). By 1998, ALB infestations resulted in the destruction of nearly 7,000 trees. Recently, the USDA estimated that, if left uncontrolled, ALB and other Chinese wood boring beetles could cause more than $100 billion in damage to the US economy (Meyer 2010). Accidental introductions continue, and as recently as 2011 a population of ALB was detected in southwest Ohio (USDA-APHIS 2011).
Selected References to Larvae Specimens
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