Environmental Entomology (1984) 13, 1519-1521

Jerry A. Payne and Bruce W. Wood (1984)
Rubidium as a marking agent for the hickory shuckworm, Cydia caryana (Lepidoptera: Tortricidae)
Environmental Entomology 13 (6), 1519-1521
Abstract: Low pressure trunk injection of an aqueous solution of rubidium chloride into mature pecan trees, at rates of 0, 100, and 200 g per tree, labeled pecan shucks and feeding hickory shuckworms, Cydia caryana (Fitch), with rubidium. Rubidium was detectable by atomic absorption spectroscopy in individual larvae and adults at significantly different levels which did not overlap those in the untreated tree. An ichneumonid parasite of Shuckworm larvae also accumulated high levels of rubidium, indicating the movement of rubidium in the food chain.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)

Research topic(s) for pests/diseases/weeds:
population dynamics/ epidemiology
general biology - morphology - evolution
Research topic(s) for beneficials or antagonists:
general biology - morphology - evolution

---

Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Cydia caryana	Pecan/hickory (Carya)	U.S.A. (SE)
Calliephialtes grapholithae (parasitoid)	Cydia caryana	Pecan/hickory (Carya)	U.S.A. (SE)