A

 

Document Type

Article

Journal/Book Title/Conference

Papeis Avulsos de Zoologica

Volume

20

Publication Date

1-1-1967

First Page

165

Last Page

190

Abstract

1. A comparative study of corpora alata in thirty-two species of sting less bees and two subspecies of honeybees has been made in the fields of biometry ( size, number of nuclei, volume) and of his tology (quantity of chromatin, staining affinity, vacuolization). 2 . These are found to be common characters within each subgenus, while conside rable differences are found a mong them. In general Apis, the Frieseomelitta and Partmnona- groups show positive qualities, probably indicating secretory activity; the Scaptotrigona-group occupies an intermediate position; and the Melipona and the Trigona-groups show extremely low or negative characters. The correlation between activities of corpora alata and the states of worker ovary development found for the same species in a previous report, are discussed.

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