Nesting resins obtained from Larrea pollen host by an oligolectic bee, Trachusa larreae (Cockerell) (Hymenoptera: Megachilidae)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith