Image of Raphia frater abrupta

Description:

Figure 2.Distribution of Raphia frater subspecies (circles) relative to range of Populus larval host plants (coloured shading) in eastern North America. Black circles - subsp. frater; white circles – subsp. abrupta; grey circles – subsp. piazzi; half-circles represent transitional populations and/or phenotypically intermediate specimens. Blue shading – combined ranges of Populus tremuloides and Populus grandidentata; yellow shading – Populus deltoides; range overlap depicted in green. Populus ranges adapted from USGS (2013).