Results 141 to 150 of about 6,143 (181)

Female Monarch Butterflies Are More Successful than Males During the Fall Migration: A Literature Review. [PDF]

Insects
Davis AK.
europepmc   +1 more source

Regulatory changes underlying the evolution of skylight navigation. [PDF]

iScience
Roth H, Sarfert M, Simdianova A, Balke J, Perry MW, Nowick K, Wernet MF.   +6 more
europepmc   +1 more source

Does Wind Disrupt Overwintering Monarch Butterfly Clusters? An Observational Study of Western Monarchs. [PDF]

Insects
Nessen K, Ibsen PC, Diffendorfer JE, Villablanca FX.   +3 more
europepmc   +1 more source

A Review of the Science Around Monarch Butterflies Should Contain a Complete and Accurate Description of the Science. Comment on Oberhauser, K.S. Eastern North American Monarch Butterfly Conservation Needs and Opportunities: What the Science Tells Us. <i>Insects</i> 2026, <i>17</i>, 235. [PDF]

Insects
Davis AK.
europepmc   +1 more source

Evolutionary Changes of <i>GT1</i> Provide Insights Into the Adaptation of Butterflies to Plant Feeding. [PDF]

Ecol Evol
Wu J, Yan H, Tang W, Li Z, Chakraborty A, He Z, Zhou C, He S.   +7 more
europepmc   +1 more source

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Postembryonic brain development in the monarch butterfly,Danaus plexippus plexippus L.

Wilhelm Roux Archiv f�r Entwicklungsmechanik der Organismen, 1969
1. Temporal and spatial aspects of postembryonic optic lobe development in a Lepidopteran,Danaus plexippus plexippus L., were analyzed using serial section reconstructions and H3-thymidine radioautography to display loci of cell production and progressive movements of populations of cells. 2.
Ruth H, Nordlander, John S, Edwards
openaire   +4 more sources

Migration of the monarch butterfly, Danaus plexippus: Energy sources

Journal of Insect Physiology, 1974
Abstract The origin and nature of the metabolic reserves of the monarch butterfly during its autumn migration through Missouri were examined. Information was obtained about the butterfly's protein, glycogen, lipid, and lipid-soluble pigment composition. The principal results showed that lipids, which made up ca. 45 per cent of the insect's dry weight,
J J, Brown, G M, Chippendale
openaire   +2 more sources

Morphology of the larval and adult brains of the monarch butterfly, Danaus plexippus plexippus, L.

Journal of Morphology, 1968
AbstractCell population and neuropile morphology of larval and adult brains of the monarch butterfly, Danaus plexippus plexippus, L., are compared. The larval brain is in continuous transition, the processes of adult brain development being underway from the earliest larval stages.
R H, Nordlander, J S, Edwards
openaire   +2 more sources

Effect of photoperiod and temperature on reproduction of the monarch butterfly, Danaus plexippus

Journal of Insect Physiology, 1976
Abstract Optimal posteclosion ovarian development in monarch butterflies occurs at about 28°C. Higher and lower temperatures appear progressively inhibitory. Reproductive gland development in males follows a similar pattern. Juvenile hormone injections stimulate oocyte maturation in animals held at 20 and 35°C but are most effective at the higher ...
J F, Barker, W S, Herman
openaire   +2 more sources

Status ofDanaus plexippusPopulation in Arizona

Journal of the Lepidopterists’ Society, 2015
ABSTRACT. We report results of a ten year study to understand the distribution, breeding and migration of the monarch butterfly (Danaus plexippus) in Arizona. We observed breeding and migratory monarch populations throughout the state and small overwintering aggregations in some locations.
Gail M. Morris, Christopher Kline, Scott M. Morris   +2 more
openaire   +1 more source