scholarly journals Monarch Butterfly ( Danaus plexippus ) Life Stage Risks from Foliar and Seed‐Treatment Insecticides

2021 ◽  
Author(s):  
Niranjana Krishnan ◽  
Yang Zhang ◽  
Melanie E. Aust ◽  
Richard L. Hellmich ◽  
Joel R. Coats ◽  
...  
Keyword(s):  
Seed Treatment ◽  
Life Stage ◽  
Danaus Plexippus ◽  
Monarch Butterfly ◽  
Monarch Butterfly Danaus Plexippus

scholarly journals Assessing Field‐Scale Risks of Foliar Insecticide Applications to Monarch Butterfly ( Danaus plexippus ) Larvae

2020 ◽  
Vol 39 (4) ◽  
pp. 923-941 ◽  
Author(s):  
Niranjana Krishnan ◽  
Yang Zhang ◽  
Keith G. Bidne ◽  
Richard L. Hellmich ◽  
Joel R. Coats ◽  
...  
Keyword(s):  
Danaus Plexippus ◽  
Monarch Butterfly ◽  
Field Scale ◽  
Monarch Butterfly Danaus Plexippus

Population and General Biology of Non-Reproductive Colonies of the Monarch Butterfly, Danaus Plexippus (L.) (Lepidoptera: Danaidae) in New South Wales.

1984 ◽  
Vol 32 (5) ◽  
pp. 663 ◽  
Author(s):  
DG James
Keyword(s):  
New South ◽  
Feeding Activity ◽  
New South Wales ◽  
Danaus Plexippus ◽  
Monarch Butterfly ◽  
Sexually Active ◽  
General Biology ◽  
South Wales ◽  
Monarch Butterfly Danaus Plexippus ◽  
A Site

Data were obtained on population and general biology of three non-reproductive overwintering colonies ofthe monarch butterfly, Danaus plexippus (Danaidae) during April-August in 1980,1981 and 1982 at a site near Camden in New South Wales. A mark, release and recapture study showed that the 1981 colony was largely stable and the 1982 colony was migratory. In 1980 and 1981 populations comprised less than 500 individuals but in 1982 a peak population of 3500 butterflies was recorded. Males were sexually active throughout clustering. Most females were mated but showed no ovarian development. Periods of flight and feeding activity were common. The condition of most butterflies did not deteriorate markedly during clustering. Comparisons between winter non-reproductive monarch populations in North America and Australia are discussed.

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