You can see the metanotal gland as this male sings from tall grass. Forbes’ tree crickets vary in color. This male has a mostly green coloring. This is also a Forbes’ tree cricket. Note the large amount of dark black. It is easy to confuse this with a Black-horned tree cricket. Both vary in color from all green to mostly black. Only differences in the song rate can ID males of both of these species. Females can not be ID’d – unless they are either to the west of Ohio = Forbes’, and to the east = Black-horned. Ohio has both species. These are both Forbes’ tree crickets found in Southeast Wisconsin. A singing male’s metanotal gland This is a male Forbes’ singing from a Canada goldenrod plant. This video shows the moment of transfer of a spermatophore. https://archive.org/details/canadianentomolo35ento/page/260/mode/2up?q=forbes