Aphid infestations reduce monarch butterfly colonization, herbivory, and growth on ornamental milkweed. [PDF]
Anthropogenic disturbance is driving global biodiversity loss, including the monarch butterfly (Danaus plexippus), a dietary specialist of milkweed. In response, ornamental milkweed plantings are increasingly common in urbanized landscapes, and recent ...
Mach BM, Long W, Daniels JC, Dale AG.
europepmc +4 more sources
Power Benefits of High-Altitude Flapping Wing Flight at the Monarch Butterfly Scale. [PDF]
The long-range migration of monarch butterflies, extended over 4000 km, is not well understood. Monarchs experience varying density conditions during migration, ranging as high as 3000 m, where the air density is much lower than at sea level.
Kang CK+5 more
europepmc +2 more sources
The influence of stimulus history on directional coding in the monarch butterfly brain. [PDF]
The central complex is a brain region in the insect brain that houses a neural network specialized to encode directional information. Directional coding has traditionally been investigated with compass cues that revolve in full rotations and at constant ...
Beetz MJ, El Jundi B.
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How the monarch got its spots: Long-distance migration selects for larger white spots on monarch butterfly wings. [PDF]
Elucidating the adaptations that promote flight in animals can aid the understanding of evolution and species divergence, and/or provide inspiration for aerospace engineering and the design of better aerial vehicles.
Davis AK+4 more
europepmc +2 more sources
Biology and Conservation of the Monarch Butterfly [PDF]
This book is a collection of papers pre sented as part of the Second International Conference on the Monarch Butterfly held at the Natural History Museum of Los Angeles County in Los Angeles, CA, in September 1986. In addition to fine introductory and concluding sections prepared by the editors, it contains 42 papers contributed by 50 authors ...
Patrick Hughes
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Monarch Butterfly Ecology, Behavior, and Vulnerabilities in North Central United States Agricultural Landscapes. [PDF]
The North American monarch butterfly (Danaus plexippus) is a candidate species for listing under the Endangered Species Act. Multiple factors are associated with the decline in the eastern population, including the loss of breeding and foraging habitat ...
Grant TJ+10 more
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History of colonisation and updated distribution of the Monarch butterfly Danaus plexippus (Linnaeus, 1758) and its hostplants in mainland Portugal, Azores and Madeira [PDF]
The first observations of the Monarch butterfly (Danaus plexippus) in Iberia date from 1886, although breeding records emerged almost a century later: 1960 in Spain, 1980s–1990s in Madeira and Azores, and 2003 in mainland Portugal.
L. Palma+3 more
semanticscholar +4 more sources
Weighting of Celestial and Terrestrial Cues in the Monarch Butterfly Central Complex. [PDF]
Monarch butterflies rely on external cues for orientation during their annual long-distance migration from Northern US and Canada to Central Mexico. These external cues can be celestial cues, such as the sun or polarized light, which are processed in the
Nguyen TAT+4 more
europepmc +2 more sources
The neurobiology of the Monarch butterfly compass.
Monarch butterflies (Danaus plexippus) have become a superb model system to unravel how the tiny insect brain controls an impressive navigation behavior, such as long-distance migration. Moreover, the ability to compare the neural substrate between migratory and nonmigratory Monarch butterflies provides us with an attractive model to specifically study
M. Jerome Beetz, Basil el Jundi
semanticscholar +3 more sources
TRITHORAX-dependent arginine methylation of HSP68 mediates circadian repression by PERIOD in the monarch butterfly. [PDF]
Significance Circadian repression drives the transcriptional feedback loops that keep circadian (∼24-h) time and synchronize an animal’s physiology and behavior to the daily environmental changes.
Zhang Y+4 more
europepmc +2 more sources