Two Kinds of Secretions in Corpora Cardiaca of Locusta migratoria (L) Ph. Solitaria (Orthoptera : Acrididae)

Özet

Öz The neurosecretory material in the corpora cardiaca of diffe­ rent species of insects have been observed by many scientists, but observations on the structure and activity of the corpora cardiaca are yet very few, The structure of the corpora cardiaca was investigated by C a z a 1 and G u e r r i e r (1946) in Orthoptera, J o 1 y (1945) in Dytiscidae and N ayar (1954) in Locusta migratoria. The neurosecretory cells of the pars intercerebralis and their activity were investigated histologicaliy by Hanström (1553) in Ap- terygrota, Stutinsky (1952) in some species of insects. S c h a r r e r (1952),in Leucophaea maderae,^ ounhiol, Gabe and A r V y (1953) in Bombyx mory, Gabe and A r V y (1954) in some Piecoptera, Gabe (1953) in Thysanour and (1955) in Arachnida, De L e r m a tera). They found a (1956) in Hydrous piceus L (Coleop- secretory material stainable with chrome- alura-hematoxylin-phloxin of Gomori (1941) in pars intercerebralis of the brain.