oa Journal of the Entomological Society of Southern Africa - A Note on the Comparative Anatomy of the Pterothorax of Macropterous and Brachypterous forms of the Grasshopper, Zonocerus elegans Thunb



The grasshopper, Zonocerus elegans Thunb, occurs in mixed populations of long and short winged forms. The macropterous forms, though sluggish, are able to fly. Their elytra are about three times the length of those of brachypterous individuals. An examination has been made of the pterothoracic musculature and its innervation together with a comparative study of the sclerites of the wing base. All material used was fixed in 70% alcohol.


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