scholarly journals Post-diapause development and multimodal oviposition activity of arrowhead scale, Unaspis yanonensis (Homoptera: Diaspididae) and its modeling

2008 ◽  
Vol 43 (4) ◽  
pp. 553-562 ◽  
Author(s):  
Dong-Soon Kim ◽  
Yon-Dong Seo ◽  
Joon-Hak Lee
Keyword(s):  
Diapause Development ◽  
Unaspis Yanonensis

scholarly journals Changes in respiratory structure and function during post-diapause development in the alfalfa leafcutting bee, Megachile rotundata

2014 ◽  
Vol 66 ◽  
pp. 20-27 ◽  
Author(s):  
Austin A. Owings ◽  
George D. Yocum ◽  
Joseph P. Rinehart ◽  
William P. Kemp ◽  
Kendra J. Greenlee
Keyword(s):  
Structure And Function ◽  
Megachile Rotundata ◽  
Diapause Development ◽  
And Function

scholarly journals Spring emergence of Canadian Delia radicum and synchronization with its natural enemy, Aleochara bilineata

2010 ◽  
Vol 142 (3) ◽  
pp. 234-249 ◽  
Author(s):  
L.D. Andreassen ◽  
U. Kuhlmann ◽  
J.W. Whistlecraft ◽  
J.J. Soroka ◽  
P.G. Mason ◽  
...  
Keyword(s):  
Adult Emergence ◽  
Development Rate ◽  
Delia Radicum ◽  
Aleochara Bilineata ◽  
Development Rates ◽  
Models Of Development ◽  
Soil Temperatures ◽  
Truncated Normal ◽  
Diapause Development ◽  
Spring Emergence

AbstractTo characterize time of spring emergence following post-diapause development, Delia radicum (L.) (Diptera: Anthomyiidae) from Saskatchewan, Manitoba, and southwestern Ontario were collected in fall, maintained over winter at 1 °C, then transferred to higher constant temperatures until adult emergence. At each location there were “early” and “late” phenotypes. Truncated normal models of temperature dependency of development rate were fitted for each phenotype from each location. We provide the first evidence of geographic variation in the criteria separating these phenotypes. Separation criteria and models for early and late phenotypes at the two prairie locations, approximately 700 km apart, were indistinguishable, but differed from those for Ontario. Prairie phenotypes developed more slowly than Ontario phenotypes, and more prairie individuals were of the late phenotype. Poor synchronization of spring emergence could impair predation of D. radicum eggs by adult Aleochara bilineata Gyllenhal (Coleoptera: Staphylinidae). Aleochara bilineata from Manitoba were reared and development rates modelled as for D. radicum. Models of development rates for the two species, when combined with simulated soil temperatures for two prairie locations, suggest that emergence of adult A. bilineata is well synchronized with availability of D. radicum eggs in prairie canola.

scholarly journals A rapidly evolved shift in life history timing during ecological speciation is driven by the transition between developmental phases

2020 ◽  
Author(s):  
Thomas H. Q. Powell ◽  
Andrew Nguyen ◽  
Qinwen Xia ◽  
Jeffrey L. Feder ◽  
Gregory J. Ragland ◽  
...  
Keyword(s):  
Developmental Trajectories ◽  
Maintenance Phase ◽  
Adult Emergence ◽  
Physiological Basis ◽  
Data Accessibility ◽  
Seasonal Timing ◽  
Pupal Diapause ◽  
Phases Of Development ◽  
Diapause Development ◽  
Developmental Phases

AbstractFor insect species in temperate environments, seasonal timing is often governed by the regulation of diapause, a complex developmental program that allows insects to weather unfavorable conditions and synchronize their lifecycles with available resources. Diapause consists of a series of phases that govern initiation, maintenance, and termination of this developmental pathway. The evolution of insect seasonal timing depends in part on how these phases of diapause development and post-diapause development interact to affect variation in phenology. Here, we dissect the physiological basis of a recently evolved phenological shift in Rhagoletis pomonella (Diptera: Tephritidae), a model system for ecological divergence. A recently derived population of R. pomonella shifted from specializing on native hawthorn fruit to earlier fruiting introduced apples, resulting in a 3-4 week shift in adult emergence timing. We tracked metabolic rates of individual flies across post-winter development to test which phases of development may act either independently or in combination to contribute to this recently evolved divergence in timing. Apple and hawthorn flies differed in a number of facets of their post-winter developmental trajectories. However, divergent adaptation in adult emergence phenology in these flies was due almost entirely to the end of the pupal diapause maintenance phase, with post-diapause development having a very small effect. The relatively simple underpinnings of variation in adult emergence phenology suggest that further adaptation to seasonal change in these flies for this trait might be largely due to the timing of diapause termination unhindered by strong covariance among different components of post-diapause development.Data accessibilityAll data (in the form of tables of all metabolic rate measurements for all individual flies in the study) will be available on DRYAD when the manuscript is published.

scholarly journals SEASONAL PREVALENCE OF THE ARROW-HEAD SCALE (Unaspis yanonensis KUWANA) IN NAGASAKI PREFECTURE (3)

1965 ◽  
Vol 11 ◽  
pp. 46-49
Author(s):  
N. IKEDA ◽  
K. KAWAGUCHI ◽  
Y. HIROSE ◽  
H. SAKATA ◽  
T. ITAYAMA ◽  
...  
Keyword(s):  
Seasonal Prevalence ◽  
Arrow Head ◽  
Unaspis Yanonensis ◽  
Nagasaki Prefecture

Enzymatic capacity for accumulation of polyol cryoprotectants changes during diapause development in the adult red firebug, Pyrrhocoris apterus

2004 ◽  
Vol 29 (4) ◽  
pp. 344-355 ◽  
Author(s):  
Vladimir Kostal ◽  
Masahiro Tamura ◽  
Michaela Tollarova ◽  
Helena Zahradnickova
Keyword(s):  
Pyrrhocoris Apterus ◽  
Diapause Development
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