Journal of Pest Science (2018) 91:849–859
Area‑wide spatial survey of the likelihood of insecticide control failure
in the neotropical brown stink bug Euschistus heros
Edmar S. Tuelher
· Éder H. da Silva
· Hígor S. Rodrigues
· Edson Hirose
· Raul Narciso C. Guedes
Eugênio E. Oliveira
Received: 18 August 2017 / Revised: 21 December 2017 / Accepted: 23 December 2017 / Published online: 29 December 2017
© Springer-Verlag GmbH Germany, part of Springer Nature 2017
Insecticide resistance is a well-known phenomenon caused by the intensive use of insecticides, which selected resistant indi-
viduals and cause large economic losses. The use of area-wide surveys and geostatistical analyses are important management
initiatives as they enable the recognition of areas with high risks of insecticide control failure due to insecticide resistance.
Here, we surveyed and mapped the risk of insecticide control failure in populations of the neotropical brown stink bug,
Euschistus heros, in one of the main soybean-producing areas in the Neotropical region, the state of Goiás in central Brazil.
Diagnostic bioassays were performed using the recommended label rates and minimum required control eﬃcacy threshold
for commercial formulations of the main compounds used against this pest species in the region, namely the pyrethroids beta-
cyﬂuthrin and lambda-cyhalothrin, the neonicotinoids imidacloprid and thiamethoxam, and the organophosphate acephate.
The control failure likelihood for the insecticides acephate, lambda-cyhalothrin and thiamethoxam was negligible throughout
the surveyed region. However, a low risk of control failure exists for beta-cyﬂuthrin at localized portions of southwestern
Goiás and for imidacloprid in the northeast. These ﬁndings diverge from the perceived and apparently unjustiﬁed notion that
the reported insecticide control failure against this stink bug is due to insecticide resistance. Indeed, this problem is currently
limited to just two insecticides (i.e., beta-cyﬂuthrin and imidacloprid) in circumscribed portions of the surveyed area. Thus,
resistance management eﬀorts should be speciﬁcally designed to address these areas, and more general approaches should
continue to be employed in the whole of the region.
Keywords Phytophagous pentatomid · Control failure · Insecticide resistance · Soybean pest management
The neotropical brown stink bug, Euschistus heros, is one
of the most important pests of soybeans in the Neotropi-
cal region, particularly in Brazil, where control is based
on insecticide use with recent reports of control failure.
Surveys of the likelihood of control failure due to insec-
ticide resistance among soybean stink bugs have yet to
Our area-wide spatial survey of insecticide control failure
indicated a negligible likelihood of control failure for
acephate, lambda-cyhalothrin and thiamethoxam and a
limited, although signiﬁcant, likelihood of control failure
for beta-cyﬂuthrin and imidacloprid.
Insecticide resistance in the neotropical brown stink bug
seems still incipient in the Neotropical region localized
sites of concern deserve particular management attention.
Insecticide resistance is one of the main concerns when
using insecticides as a management tool against arthropod
pest species. As pest management still frequently relies on
Communicated by C. Cutler.
Electronic supplementary material The online version of this
article (http s://doi.org/10.1007 /s103 40-017-0949 -6) contains
supplementary material, which is available to authorized users.
* Eugênio E. Oliveira
Departamento de Entomologia, Universidade Federal de
Viçosa, Viçosa, MG 36570-000, Brazil
EMBRAPA Soybean, Londrina, PR 86001-970, Brazil