Oosorption in the stink bug <i>Plautia stali</i>: role of Juvenile hormone in the induction of oosorption

Kotaki, Toyomi; Kaihara, Kanako; Ando, Yoko; Misaki, Kumi; Shinada, Tetsuro

doi:10.1111/phen.12136

Cited by 7 publications

(6 citation statements)

References 25 publications

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“…Adoption of such a life history strategy may help optimize reproductive fitness and F I G U R E 6 Predicted vitellogenic (ranks 3-5) female Halyomorpha halys for the overwintering generation, by geographic location from logistic regression F I G U R E 5 (Continued) overwintering survival. Although oosorption has been demonstrated by young Plautia stali in the laboratory (Kotaki, Kaihara, Ando, Misaki, & Shinada, 2016), there is no evidence for oosorption in older females entering diapause.…”

Section: Discussionmentioning

confidence: 88%

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Phenology of brown marmorated stink bug described using female reproductive development

Nielsen

Fleischer

Hamilton

et al. 2017

Ecology and Evolution

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Temperature‐based degree‐day models describe insect seasonality and to predict key phenological events. We expand on the use of a temperature‐based process defining timing of reproduction through the incorporation of female reproductive physiology for the invasive pentatomid species Halyomorpha halys, the brown marmorated stink bug. A five‐stage ranking system based on ovary development was able to distinguish between the reproductive statuses of field‐collected females. Application of this ranking method described aspects of H. halys’ seasonality, overwintering biology, and phenology across geographic locations. Female H. halys were collected in the US from NJ, WV, NC, OR, and two sites in PA in 2006–2008 (Allentown, PA only) and 2012–2014. Results identify that H. halys enters reproductive diapause in temperate locations in the fall and that a delay occurs in developmental maturity after diapause termination in the spring. Modification of the Snyder method to identify biofix determined 12.7‐hr photoperiod as the best fit to define initiation of reproduction in the spring. Applying the biofix, we demonstrated significant differences between locations for the rate at which the overwintering generation transition into reproductive status and the factors contributing to this difference require further study. For example, after including abiotic variables influencing development such as temperature and photoperiod (critical diapause cue), reproduction occurred earlier in OR and for an extended period in NJ. This data describe a method to investigate insect seasonality by incorporating physiological development across multiple regions that can clarify phenology for insects with overlapping generations.

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Section: Discussionmentioning

confidence: 88%

“…Adoption of such a life history strategy may help optimize reproductive fitness and overwintering survival. Although oosorption has been demonstrated by young Plautia stali in the laboratory (Kotaki, Kaihara, Ando, Misaki, & Shinada, ), there is no evidence for oosorption in older females entering diapause.…”

Section: Discussionmentioning

confidence: 95%

Phenology of brown marmorated stink bug described using female reproductive development

Nielsen

Fleischer

Hamilton

et al. 2017

Ecology and Evolution

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“…Starvation is a common challenge and is an important factor in inducing oosorption 1,24 . Many insect species have been reported to resorb large or specific stages of oocytes in their ovarioles during vitellogenesis under conditions of starvation stress; this leads to a reduction in the number of oocytes and egg load in the ovaries 3,4,6–8,12,13,25–30 . In the present study, the number of mature embryos and the average volume of the largest embryo within each ovariole increased significantly with increasing starvation time (Figs 1 and 2).…”

Section: Discussionmentioning

confidence: 99%

Reproductive adaptation in alate adult morphs of the English grain aphid Sitobion avenae under starvation stress

et al. 2019

Sci Rep

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Adapting their reproductive physiology is a tactic that insects use in responding to conditions of food unavailability. The present study examined the potential effects of starvation periods on the ovarian development and reproduction of alate adult morphs of Sitobion avenae (Fabricius). Morphs both continuously fed and starved aphids contained two telotrophic ovaries, each comprising five ovarioles. As time increase after emergence, the number of offspring produced by the fed aphids increased gradually, whereas the number of embryos in their ovaries decreased gradually. Both the number of mature embryos and the volume of embryos rapidly increased at 24 h after emergence, and then remained at an approximately constant level between 24 and 144 h. Compared to the fed aphids, starved aphids only produced a small number of nymphs, and there was no significant change in the total number of embryos between 24 and 144 h, whereas both the number of mature embryos and volume of embryos increased significantly. Irrespective of starvation period, highly significant relationships between life span and fecundity were found. Adult aphids starved for longer periods presented lower longevity and fecundity, but dead females contained more mature embryos than those starved for shorter periods. These results suggested that, under starvation stress, S. avenae tends to invest in the development of larger embryos at the expense of reducing lifespan and future fecundity. This adaptive reproductive strategy under starvation stress could be one of the factors contributing to the successful establishment of new colonies of alate migratory aphids.

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“…In Pentatomidae, females can lay eggs even without copulation (Cingolani et al, 2020), a process that requires a large amount of energy. The lack of food, however, can lead to the process of reabsorption of developing oocytes (Kotaki et al, 2016). The ideal rearing conditions and ad lib food may have contributed to the oviposition of virgin females of E. heros.…”

Section: Pyriproxyfen On Female Reproductionmentioning

confidence: 99%

Morphological and Morphometric Parameters of the Reproductive Organs of Euschistus heros (Hemiptera: Pentatomidae) Treated With a Sublethal Juvenile Hormone Analog

Cremonez¹,

Matsumoto²,

Perier³

et al. 2023

JAS

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The stinkbug Euschistus heros is an important pest of Brazilian agricultural production with increasing importance in the Neotropical region. High reproductive potential and increased risk of resistance to insecticides are determining factors influencing its pest status. This work evaluated the effects of pyriproxyfen on the reproduction and morphological development of the reproductive system of E. heros. Pyriproxyfen was utilized at sublethal concentrations (LC30) in fourth-instar nymphs (N4). Sublethal pyriproxyfen resulted in a reduction in fertility and fecundity of 2 and 12% when only the males were treated, 47 and 53% when only the females were treated, and 32 and 46% when females and males were treated. Basal oocytes were larger and more previtellogenic in newly emerged pyriproxyfen-treated females. The nuclear area of testicular accessory cells shrunk after 10 and 15 days of age in treated insects. Similarly, testicular shape was altered, changing from an ellipsoid to an obpyriform pattern, characterized by hypertrophy of the basal region over time. The apparent area of the organ grew until ten days of age, then shrunk at 15 days of age. In summary, pyriproxyfen treatments disrupted the normal development of N4 of E. heros and diminished the reproductive potential of female and male adults.

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Oosorption in the stink bug Plautia stali: role of Juvenile hormone in the induction of oosorption

Cited by 7 publications

References 25 publications

Phenology of brown marmorated stink bug described using female reproductive development

Phenology of brown marmorated stink bug described using female reproductive development

Reproductive adaptation in alate adult morphs of the English grain aphid Sitobion avenae under starvation stress

Morphological and Morphometric Parameters of the Reproductive Organs of Euschistus heros (Hemiptera: Pentatomidae) Treated With a Sublethal Juvenile Hormone Analog

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