Knowledge graph centered on Duchateau and Velthuis ovarian classification (Halictidae) with 71 nodes and 183 connections. Top connected: Bombus, Bombus terrestris, Bombus appositus, Bombus impatiens, B. appositus.
Collection of female halictid bees at nest sites using nets or vacuum devices, with individual storage and cryopreservation for chemical analysis. Includes morphological measurement and ovarian stage classification for caste determination.
Synthesized from method descriptions across 5 papers using this protocol.
Steps below were extracted from the most recent peer-reviewed implementation of this protocol in the corpus — Chemical Variation among Castes, Female Life Stages and Populations of the Facultative Eusocial Sweat Bee <i> Halictus rubicundus </i> (Hymenoptera: Halictidae) (2021), Journal of Chemical Ecology. Implementations in other papers (listed below) may differ.