NDLI: Nymph and Adult Biology of Euschistus cornutus Dallas: a Potential Soybean Pest in the Neotropics

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Nymph and Adult Biology of Euschistus cornutus Dallas: a Potential Soybean Pest in the Neotropics

Content Provider	Springer Nature Link
Author	Webber, N F Panizzi, A R
Copyright Year	2016
Abstract	Laboratory studies with Euschistus cornutus Dallas indicated that nymphs complete development when feeding on green bean, Phaseolus vulgaris L. pod, on soybean, Glycine max (L.) Merrill pod, and on raw shelled peanut, Arachis hypogaea L., but not on fruit (berry) of privet, Ligustrum lucidum Ait. Total mortality was lower on green bean pod (45%), and higher on soybean pod and peanut raw (75 and 80%, respectively). Nymph developmental time was significantly longer for females feeding on green bean pod (37.4 days) than on soybean pod (27 days); a single data was observed on peanut raw (32 days). Males showed no significant differences in total nymph developmental time among foods (31.3 to 33.0 days). At adult emergency, fresh body weight of females (52.2 to 68.5 mg) and males (61.9 to 71.3 mg) did not show statistical differences among foods tested nor between genders. Survivorship of E. cornutus adult after 50 days was greater on peanut raw than on green bean or soybean pod; on privet berry, the majority of males and females (>80%) were dead after 20 days. The reproductive performance data was, in general, greater on peanut raw than on green bean or soybean pod; on privet fruit, no female laid eggs. Fresh body weight gain occurred on all foods, except on privet berry, on which adults lost weight over time. Records of specimens from insect collections in Brazil indicated that E. cornutus occurs in the Southeast and South regions (19° to 31° S latitude). The most common host plant is soybean, suggesting a potential pest status of this stink bug on this crop in the future.
Starting Page	275
Ending Page	282
Page Count	8
File Format	PDF
ISSN	1519566X
Journal	Neotropical Entomology
Volume Number	46
Issue Number	3
e-ISSN	16788052
Language	English
Publisher	Springer US
Publisher Date	2016-12-15
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Heteroptera Life Sciences Pentatomidae stink bug Entomology Agriculture host plants
Content Type	Text
Resource Type	Article
Subject	Insect Science

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Nymph and Adult Biology of Euschistus cornutus Dallas: a Potential Soybean Pest in the Neotropics

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Nymph and Adult Biology of Euschistus cornutus Dallas: a Potential Soybean Pest in the Neotropics