2001
DOI: 10.1590/s1519-69842001000400009
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Soil temperature and diapause maintenance in eggs of the spittlebug, Deois flavopicta (Hemiptera: Cercopidae)

Abstract: Diapausing eggs of the neotropical pasture pest, Deois flavopicta (Stal) (Hemiptera: Cercopidae), were exposed to low overnight temperatures that simulated field conditions during the dry season (23/12, 23/15 and 23/18ºC day/night), for different periods (0-60 days). After treatment, eggs were kept at 28ºC and contact water (100% humidity) until hatching. A group of diapausing eggs were kept all the time under this last condition as a control treatment. Time for hatching (in degree-days) was reduced with decre… Show more

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Cited by 8 publications
(13 citation statements)
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References 8 publications
(4 reference statements)
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“…Changes of the heart rate (HR) and other ECG parameters (P-R interval, R-wave amplitude, and T-wave amplitude) are expressed as mean ± standard error. The data were analyzed by paired t-test (Sujii et al, 2001).…”
Section: Discussionmentioning
confidence: 99%
“…Changes of the heart rate (HR) and other ECG parameters (P-R interval, R-wave amplitude, and T-wave amplitude) are expressed as mean ± standard error. The data were analyzed by paired t-test (Sujii et al, 2001).…”
Section: Discussionmentioning
confidence: 99%
“…In the pastoral systems with spittlebug infestation (monoculture and silvopastoral), this infestation occurred in the beginning of the rainy season (November 2013) when the total rainfall measured was 239,25 mm, providing enough soil moisture to end the quiescence process of the eggs present in the dry soil (Sujii et al, 2001); thus, rising the first M. spectabilis generation as described by Valério (2009) ). Thus, more solar radiation reaches the soil surface, which has a high correlation with spittlebug survivance (Lohmann et al, 2010).…”
Section: Quantification Of Infected Nymphsmentioning
confidence: 93%
“…During the first 6-7 mo of incubation, embryos of C. chameleon in nature are in a state of developmental arrest consisting of an initial period of diapause that is followed by a period of cold torpor, a pattern parallel to that of embryos of many insects (Ando 1983;Sujii et al 2001). Oviposition by C. chamaeleon occurs from late September to early November.…”
Section: Developmental Cycle In the Fieldmentioning
confidence: 99%