Animals 4 Chromosome Mapping 4 Grasshoppers 4 Insecta 4 Karyotyping 4 Linkage Disequilibrium 4 Male 4 Orthoptera 4 Phenotype 4 Polymorphism, Genetic 4 Regression Analysis 4 Time Factors 4 Trimerotropis 4 Trimerotropis pallidipennis 4 age 4 altitude 4 article 4 chromosome pairing 4 controlled study gamete 4 gene frequency 4 gene rearrangement 4 genetic polymorphism 4 grasshopper 4 karyotype 4 latitude 4 lifespan 4 longevity 4 male 4 morphometrics 4