Single Slit Single Slit Choose raster pattern 1. Two parallel lines of inward pointing hairs. 2. Small “V” of inward pointing hairs. 3. No distinctive pattern of hairs. 4. Dense oval cluster of inward pointing hairs Results: Green june beetle (Cotinis nitida) Japanese beetle (Popillia japonica) Northern masked chafer (Cyclocephala borealis) Oriental beetle (Anomala orientalis)
