''Megaxyela'' is a genus of sawflies in the family

Xyelidae The Xyelidae are a comparatively species-poor family of sawflies comprising about 80 Extant taxon, extant species in five genera worldwide and is the only family in the superfamily Xyeloidea. The fossil record of the family is extensive, comprisi ...

. There are about 13 described species in ''Megaxyela'', found in the eastern

Nearctic The Nearctic realm is one of the eight biogeographic realms constituting the Earth's land surface. The Nearctic realm covers most of North America, including Greenland, Central Florida, and the highlands of Mexico. The parts of North America t ...

and in the southeastern part of

East Asia East Asia is the eastern region of Asia, which is defined in both geographical and ethno-cultural terms. The modern states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. China, North Korea, South Korea and ...

. Two fossil species have been discovered, in Colorado and Shandong, China. ''Megaxyela'' are external feeders of trees in the walnut family, Juglandaceae.

Species

These 13 species belong to the genus ''Megaxyela'': * ''

Megaxyela bicoloripes ''Megaxyela'' is a genus of sawflies in the family Xyelidae. There are about 13 described species in ''Megaxyela'', found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and S ...

'' (Rohwer, 1924) * ''

Megaxyela euchroma ''Megaxyela'' is a genus of sawflies in the family Xyelidae. There are about 13 described species in ''Megaxyela'', found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and S ...

'' Blank, Shinohara & Wei, 2017 * ''

Megaxyela fulvago ''Megaxyela'' is a genus of sawflies in the family Xyelidae. There are about 13 described species in ''Megaxyela'', found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and S ...

'' Blank, Shinohara & Wei, 2017 * ''

Megaxyela gigantea ''Megaxyela'' is a genus of sawflies in the family Xyelidae. There are about 13 described species in ''Megaxyela'', found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and S ...

'' Mocsáry, 1909 * ''

Megaxyela inversa ''Megaxyela'' is a genus of sawflies in the family Xyelidae. There are about 13 described species in ''Megaxyela'', found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and S ...

'' Blank & D.R. Smith, 2017 * ''

Megaxyela langstoni ''Megaxyela'' is a genus of sawflies in the family Xyelidae. There are about 13 described species in ''Megaxyela'', found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and S ...

'' Ross, 1936, 2017 * ''

Megaxyela major ''Megaxyela'' is a genus of sawflies in the family Xyelidae. There are about 13 described species in ''Megaxyela'', found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and ...

'' (Cresson, 1880) * ''

Megaxyela parki ''Megaxyela'' is a genus of sawflies in the family Xyelidae. There are about 13 described species in ''Megaxyela'', found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and ...

'' Shinohara, 1992 * ''

Megaxyela pulchra ''Megaxyela'' is a genus of sawflies in the family Xyelidae. There are about 13 described species in ''Megaxyela'', found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and ...

'' Blank, Shinohara & Sundukov, 2017 * ''

Megaxyela togashii ''Megaxyela'' is a genus of sawflies in the family Xyelidae. There are about 13 described species in ''Megaxyela'', found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and ...

'' Shinohara, 1992 * ''

Megaxyela tricolor ''Megaxyela'' is a genus of sawflies in the family Xyelidae. There are about 13 described species in ''Megaxyela'', found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and ...

'' (Norton, 1862) * † '' Megaxyela petrefacta'' Brues, 1908 * † '' Megaxyela yaoshanica'' Zhang, 1989

References

Sawflies {{sawfly-stub