Other Common Names
Redbanded Stink Bug, Alfalfa Bug, Small Green Stink Bug
Explanation of Names
Piezodorus guildinii (Westwood 1837)
se. US to NM (NM-FL-SC-AR) to Paraguay, W. Indies(1)
Feeds on seeds of legumes such as soybeans, alfalfa, and Indigofera spp.
5-8 generations may occur in a single growing season and overlap by mid July
greatly expanded its range in recent years, by 2009 becoming the number one pest of soybeans across several southern states from AL to TX (USDA
); the most important soybean pest in Brazil
Panizzi A.R., Cardoso S.R., Oliveira E.D.M. (2000) Status of pigeonpea as an alternative host of Piezodorus guildinii
(Hemiptera: Pentatomidae), a pest of soybean. Fla. Entomol. 83: 334-342. Full text
Panizzi A.R., Smith J.G. (1977) Biology of Piezodorus guildinii: Oviposition, development time, adult sex ratio and longevity. Ann. Ent. Soc. Amer. 70: 35‑39.
Panizzi A.R., Slansky F. (1985) Legume host impact on performance of adult Piezodorus guildinii (Westwood) (Hemiptera: Pentatomidae). Envir. Entomol. 14: 237‑242.
Panizzi A.R., Slansky F. (1985) New host plant records for the stink bug Piezodorus guildinii
in Florida (Hemiptera: Pentatomidae). Fla. Entomol. 68: 215‑216. Full text