NDLI: Soldier caste with morphological and reproductive division in the aphid tribe Nipponaphidini

Content Provider	Springer Nature Link
Author	Fukatsu, T. Sarjiya, A. Shibao, H.
Copyright Year	2005
Abstract	We investigated demographic, morphological and histological aspects of Distylaphis foliorum, a gall-forming nipponaphidine aphid from Java, Indonesia, whose first instar nymphs had been reported to have enlarged forelegs and attack other insects. The gall inhabitants of D. foliorum consisted of two discrete populations; one developing normally and the other remaining at the first instar. Morphometric analysis identified two types of first instar nymphs; nymphs with relatively long forelegs and slender abdomen, and nymphs with relatively short forelegs and fat abdomen. The former nymphs were found from both young galls and mature galls, while the latter nymphs were from young galls only. Histological analysis strongly suggested a reproductive division in the first instar. In the former nymphs from mature galls, ovaries and mycetomes were degenerate and replaced by well-developed fat body cells. These results indicated that D. foliorum has a morphologically differentiated sterile soldier caste in the first instar. This study is the first report of a soldier caste with morphological and reproductive division in the aphid tribe Nipponaphidini, and suggests that highly specialized soldier castes have evolved at least four times in aphids.
Starting Page	132
Ending Page	138
Page Count	7
File Format	PDF
ISSN	00201812
Journal	Insectes Sociaux
Volume Number	52
Issue Number	2
e-ISSN	14209098
Language	English
Publisher	Birkhäuser-Verlag
Publisher Date	2005-01-01
Publisher Place	Basel
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Distylaphis foliorum social aphid sterile soldier caste evolution Nipponaphidini Zoology
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics Insect Science

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