Synonyms and other taxonomic changes
Phymata americana Melin, 1930
Phymata americana wisconsina Melin, 1930
Phymata americana ottawensis Melin, 1930
Phymata pennsylvanica americana Evans, 1931
Identification
The portion of Kormilev's key (1960) for separating three of the subspecies of P. americana is provided here:
a. Bigger (9 to 12 mm); carinae of pronotum generally elevated on top forming rooflike ridge, or provided with a tubercle. americana coloradensis Melin, 1930 (U.S.A. W and SW. Mexico)
Smaller (7.5 to 10 mm); carinae of pronotum simple, neither forming a rooflike ridge, nor provided with a tubercle. b.
b. Bigger (8 to 10 mm); ocellar processes high, slender, sometimes ramificated, almost without granulation; lateral notch of pronotum wider and deeper. americana Melin s. str. (U.S.A. E. and SE, Canada, Mexico).
Smaller (7.5 to 8 mm); ocellar processes low and granulated; lateral notch of pronotum smaller and shallow. americana metcalfi Evans 1931 (U.S.A. NW).
Range
Eastern half of the United States.
Print References
Kormilev, N. A. 1960. Revision of Phymatinae (Hemiptera, Phymatidae). The Philippine Journal of Science, 89: 287-489.