Velocidad de forrajeo y área foliar transportada por la hormiga Acromyrmex subterraneus (Hymenoptera: Formicidae

Autor: Gomides, Cecília H.F, Della Lucia, Terezmha M. C, Araújo, Fernando S, Morelra, Denise D.O
Jazyk: Spanish; Castilian
Rok vydání: 2015
Zdroj: Revista de Biología Tropical; Vol. 45 No. 4 (1997): Volume 45 – Regular number 4 – December 1997; 1663-1667
Revista de Biología Tropical; Vol. 45 Núm. 4 (1997): Volumen 45 – Volumen regular 4 – Diciembre 1997; 1663-1667
Revista Biología Tropical; Vol. 45 N.º 4 (1997): Volumen 45 – Volumen regular 4 – Diciembre 1997; 1663-1667
Portal de Revistas UCR
Universidad de Costa Rica
instacron:UCR
ISSN: 2215-2075
0034-7744
Popis: Although leaf-cutting ants are considered to be an important pest in agriculture and forestry in South America, several aspects of their ecology are still unknówn. Foraging speed of Acromyrmex' su.bterraneus· ;subterraneus and relationshipbetween size of forager aild load werestudied in Vicosa, Brazil. Time spent by wRorkers. (Ie\lving :the nest or returning to it, loaded or unloaded), to qoss a 40 cm space from nest entrance wás mea,This speed. This'speed was dete,n:nined twice ead) ínónth, every hour from begillning of foraging to its end, during 12coÍlsecutivemonths.TwelltY wóikers áÍldtheii loads weresecurM al fiveoccasions fot measurement. Mean speed varied fn!m 0.5 'to L2 mlh).in; lower valUes )Vete, found durí,ng Winter time. Worker,s,leaving the nest Were faster (0.93mfmin) than loaded workers (0.78 mlmin).,No relatioln shil? could be found between worker silíes and load size., Although leaf-cutting ants are considered to be an important pest in agriculture and forestry in South America, several aspects of their ecology are still unknówn. Foraging speed of Acromyrmex' su.bterraneus· ;subterraneus and relationshipbetween size of forager aild load werestudied in Vicosa, Brazil. Time spent by wRorkers. (Ie\lving :the nest or returning to it, loaded or unloaded), to qoss a 40 cm space from nest entrance wás mea,This speed. This'speed was dete,n:nined twice ead) ínónth, every hour from begillning of foraging to its end, during 12coÍlsecutivemonths.TwelltY wóikers áÍldtheii loads weresecurM al fiveoccasions fot measurement. Mean speed varied fn!m 0.5 'to L2 mlh).in; lower valUes )Vete, found durí,ng Winter time. Worker,s,leaving the nest Were faster (0.93mfmin) than loaded workers (0.78 mlmin).,No relatioln shil? could be found between worker silíes and load size.
Databáze: OpenAIRE