caa a22 4500 397571429 CHVBK 20180308164842.0 cr unu---uuuuu 161202e19961001xx s 000 0 eng 10.1093/ee/25.5.912 doi (NATIONALLICENCE)oxford-10.1093/ee/25.5.912 Grasshopper (Orthoptera: Acrididae) Bait Feeding Studies Using Rubidium Chloride [Elektronische Daten] [Stephen A. Woods, Douglas A. Streett] Grasshopper populations were treated with bait formulations containing rubidium chloride as part of microbial control and dispersal studies conducted in 1989 and 1990. Bait feeding was compared in grasshoppers collected 4 d after bait application in 1989 and 2 d after application in 1990. Retention of Rb was studied from additional collections that were made during the 16 d after application in 1990. Rb concentrations in grasshopper tissues were estimated with atomic absorption spectrophotometry. Bait consumption increased with successive instars, but did not keep pace with increases in body weight. Consumption by adults was notably less than expected for their size. The migratory grasshopper. Melanoplus sanguinipes (F.), and the Packard grasshopper, M. packardii Scudder, consumed comparable amounts of RbCl for a given instar. Assimilation rates varied considerably within each stage and species group. Among those grasshoppers that assimilated the most Rb, concentrations decreased during the 1st 6 d after application, remained stable during the next 5 d, and decreased again by 16 d after application. These results can be used in future studies to optimize bait feeding and dispersal studies. © 1996 Entomological Society of America Pest Management and Sampling nationallicence grasshopper nationallicence bait-feeding nationallicence rubidium chloride nationallicence insect marking nationallicence Woods Stephen A. USDA-ARS Rangeland Insect Laboratory, Montana State University, Bozeman, MT 58717 aut Streett Douglas A. USDA-ARS Rangeland Insect Laboratory, Montana State University, Bozeman, MT 58717 aut Environmental Entomology Oxford University Press 25/5(1996-10-01), 912-918 0046-225X 25:5<912 1996 25 ee https://doi.org/10.1093/ee/25.5.912 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1093/ee/25.5.912 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Woods Stephen A. USDA-ARS Rangeland Insect Laboratory, Montana State University, Bozeman, MT 58717 aut NATIONALLICENCE 700 1- Streett Douglas A. USDA-ARS Rangeland Insect Laboratory, Montana State University, Bozeman, MT 58717 aut NATIONALLICENCE 773 0- Environmental Entomology Oxford University Press 25/5(1996-10-01), 912-918 0046-225X 25:5<912 1996 25 ee Metadata rights reserved CC BY-NC-4.0 http://creativecommons.org/licenses/by-nc/4.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-oxford