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Original Articles

The ecology and behavior of the high‐andean butterfly hypsochila wagenknechti (lepidoptera: Pieridae)

Resumen

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Pages 169-187 | Published online: 19 Nov 2008
 

Hypsochila wagenknechti, a little‐known white butterfly of the high Andes, was studied afield in the Cordon del Cepo, central Chile, and in the puna of northern Argentina, Naturally‐occurring host plants are Car‐damine nivalis and Lepidium suffruticosum (Cruciferae). Eggs are commonly laid in small groups, rather than singly as in most Pierini. Ovipositing females are highly selective, preferring larger plants located in the ecotone between streamside bog and scree. Larvae feed singly. Mate‐location is by hilltopping. Both inter‐ and intraspecific interactions are common at or near hilltops.

Hemos estudiado la biología de una mariposa altoandina muy poca conocida, Hypsochila wagenknechti, en Chile central (Cordón del Cepo) y en la puna del norte argentine Sus plantas‐hospederas en la naturaleza son Cardamine nivalis y Lepidium suffruticosum (Crucíferas). Ponen huevos en pequeños grupos, una situatión muy excepcional en la tribu Pierini. Las hembras prefieren poner sus huevos en las mayores plantas de la franja ecotonal entre turberas y laderas rocosas. A pesar de la colocación de huevos en grupos, las orugas viven solas. Machos y hembras virgenes se buscan en cumbres, donde son frecuentes las interacciones intra ‐ e interespecíficas.

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