← Back to Protocolssamplingstandardized

Duchateau and Velthuis ovarian classification (Halictidae)

Subcategory: insect collection
Standard reference: Mitchell 1960; Hurd 1979; Cane, Griswold & Parker 2007
Papers: 5 | Mentions: 5

Local Knowledge Graph (35 entities)

Loading graph...

Knowledge graph centered on Duchateau and Velthuis ovarian classification (Halictidae) with 35 nodes and 82 connections. Top connected: elevational gradients, The effect of repeated, lethal sampling on wild be, species diversity, Bees per person hour sampling, thermal performance.

Description

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.

Typical Equipment

  • insect net
  • vacuum suction device
  • plastic Eppendorf tubes (1.5 ml)
  • freezer capable of -40°C
  • stereomicroscope
  • eyepiece graticule

Output Measurements

  • preserved bee specimens
  • head width measurements
  • ovarian stage classifications
  • caste assignments