Hormonal Control of Insect Migratory Behavior

Rankin, Mary Ann

doi:10.1007/978-1-4615-6941-1_1

Cited by 44 publications

(26 citation statements)

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“…Depending upon species, migration may vary from few centimeters to thousands of kilometers. These movements occur in response to token stimuli and bring about physiological and behavioral changes [18,20]. A typical example of seasonal migration is of monarch butterfly (Danaus plexippus) moving southward in most of the United States and Southern Canada [21].…”

Section: Migrationmentioning

confidence: 99%

“…A study was conducted in the Inner Mongolian steppe, to determine the effects of six constant temperatures (15,20,25,30,35 and 40 °C) on the post-diapause embryonic development and hatching time in three grasshopper species: Omocestus haemorrhoidalis, Calliptamus abbreviatus and Chorthippus fallax. It was found that O. haemorrhoidalis adapted to hatch at a lower temperature range, C. abbreviatus to mid temperature range, and C. fallax at a higher temperature range.…”

Section: Temperaturementioning

confidence: 99%

See 1 more Smart Citation

Insect Diapause: A Review

Gill¹,

Goyal²,

Chahil³

2017

JAST-A

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Diapause is defined as a period of suspended development in insects and other invertebrates during unfavorable environmental conditions. Diapause is commonly confused with term "quiescence" as both are dormant development stages. Here this paper aimed to review the research work done on different aspects of diapause. Attempt was made to explain definitions of diapause, incidence, stages and termination of diapause, genetic control, factors affecting diapauses, including temperature, photoperiod, moisture and food, etc..

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Section: Migrationmentioning

confidence: 99%

Section: Temperaturementioning

confidence: 99%

Insect Diapause: A Review

Gill¹,

Goyal²,

Chahil³

2017

JAST-A

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“…Both flight and oviposition are regulated by the titer of juvenile hormone in Oncopeltus fasciatus (Rankin, 1978;Rankin and Riddiford, 1978;Slansky, 1980) and it is likely that the genetic variation in flight duration (Dingle, 1968(Dingle, , 1980) is actually due to genetic variation in the rate ofproduction of juvenile hormone. Polygenic control of flight duration has also been demonstrated in Lygaeus kalmii (Caldwell and Hegmann, 1969) and various Cicadulina species (Rose, (Williams et aI., 1943;-Balboni, 1967;De Kort, 1969;Anderson and Finlayson, 1973;Ready and Josephson, 1982).…”

Section: The Evolution Of Wing Dimorphismmentioning

confidence: 99%

The Evolution of Wing Dimorphism in Insects

1986

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Abstract. -Wing-dimorphic insects are excellent subjects for a study of the evolution of dispersal since the nondispersing brachypterous morph is easily recognized. The purpose of this paper is to develop a framework within which the evolution ofwing dimorphism can be understood. A review ofthe literature indicates that the presence or absence of wings may be controlled by a single locus, two-allele genetic system or a polygenic system. Both types of inheritance can be subsumed within a general threshold modeL An increase in the frequency of a brachypterous morph in a population may result from an increased relative fitness of this morph or the emigration of the macropterous type. The abundance ofwing-polymorphic species argues for an increased fitness of the brachypterous form. An analysis of the life-history characteristics of 22 species of insects indicates that the brachypterous morph is both more fecund and reproduces earlier that the macropterous morpho Unfortunately, data on males are generally lacking.It is suggested that suppression ofwing production results when some hormone, perhaps juvenile hormone, exceeds a threshold value during a critical stage of development. Further, it is known that in the monomorphically winged species Oncopeltus fasciatus both flight and oviposition are regulated by the titer of juvenile hormone. These observations are used to construct a possible pathway for the evolution ofwing dimorphism. This suggests that evolution to a dimorphic species requires both an increase in the rate of production of the wing suppressing hormone and a change in the threshold level at which wing and wing-muscle production are suppressed. The stage in this evolutionary sequence that an organism will reach depends on the stability of the habitat.

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“…In the northern areas of its distribution the bug is a migrant making its first appearance between late spring and midsummer; the exact date of arrival is influenced by latitude and weather. There is a late summer adult reproductive diapause, induced by short days (Dingle, 1974b), leading to migratory exodus during the long period of suppressed reproduction (Dingle, 1978b;Rankin, 1978). The bugs are unable to survive northern winters (Andre, 1934) but can overwinter in diapause in areas of milder climates such as California (Evans, 1979).…”

Section: Variation In Photoperiodic Response Within and Among Speciesmentioning

confidence: 99%