title: Parallel variation at an enzyme locus in sibling species of field crickets.
mesh_terms: D000483:Alleles; D000818:Animals; D004592:Electrophoresis, Starch Gel; D005956:Glucose-6-Phosphate Isomerase / Q000378:metabolism*; D009987:Orthoptera / Q000201:enzymology*; D012641:Selection, Genetic; D013045:Species Specificity
chemical_list: D005956:Glucose-6-Phosphate Isomerase