Chief EditorT. Mohapatra
Print ISSN 0367-8245
Online ISSN 0976-058X
NAAS Rating 5.20
STUDIES ON THE HAEMOCYTES OF APHIS GOSSYPII GLOVER (APHIDIDAE : HOMOPTERA)
prohaemocytes (PRs), plasmatocytes (PLs), spindle shaped haemocytes (SHs), granulocytes (GRs)
and adipohaemocytes (ADs). The first instar nymph contained only PRs. Second and third instar
nymph had 81 to 69 % PRs and 19 to 31 % PLs. Fourth instar nymph contained 66 % PRs, 30 %
PLs and 4% GRs. The adults (both apterous and alatae) had 62-64 % PRs, 20-22 % PLs, 8-10 %
GRs and 6-8 % ADs. The blood circulation studies in the wings of A. Gossypii showed the outward
flow of blood from the body through approximately the anterior half of each wing and returned
through the posterior half. The blood flow was vigorous and fairly constant in young adults but
declined and found more variable with increase of age. PRs and PLs were observed with nonuniform distribution in the haemolymph of wing veins.
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