Timing of brood production and development in Halictus ligatus nests excavated at Brock University in St. Catharines, Ontario in 2006. Week 1 was the last week of April, and week 11 was the first week of July. Numbers above each bar are the numbers of nests excavated each week.

 
 
  Part of: Richards MH, Onuferko TO, Rehan SM (2015) Phenological, but not social, variation associated with climate differences in a eusocial sweat bee, Halictus ligatus, nesting in southern Ontario. Journal of Hymenoptera Research 43: 19-44. https://doi.org/10.3897/JHR.43.8756