Tag: "monarch" at biology news
CU, USDA team to curb two invasive, poisonous vines
...nce the mid-1990s. The plants are lethal hosts for monarch
butterfly larvae and alter ground cover and affect...the Northeast coast, within the migratory range of monarch
butterflies. The monarchs lay their eggs on milkweed, and their larvae eat it as a primary food. Stu...
How monarch butterflies are wired for navigation
...ary annual migration from North America to Mexico, monarch
butterflies are known to use the angle of polarized sunlight as a celestial guide to help them keep to a straight and true path southward. But details of their navigational machinery have remained a mystery. Now, researchers, led by Steven Reppert o...
Biodiversity hotspots identify conservation priorities
...us wildlife spectacles, the over wintering mass of monarch
butterflies (Danaus plexippus) in the pine forests of Michoacan. Threats to the hotspot include logging and intentional burning to clear land for livestock or agriculture. Hotspots Revisited was produced by CEMEX, one of the world's largest cement m...
In the migratory marathon, parasitized monarchs drop out early
...hy parasite infections are much lower in migratory monarch
populations compared to year-round residents that do not migrate. Habitat loss at overwintering sites and climate warming trends, combined with an increase of tropical milkweed species in milder climates, could ultimately replace the large migratory ...