Synonyms and other taxonomic changes
Danaus eresimus (Cramer)
Pap[ilio]. Dan[aus] Festiv[us]. Eresimus
Cramer,  (2)
usually cited as: Papilio eresimus
Explanation of Names
eresis - Greek for 'take' (3)
Dorsal, very similar to the Queen
, with slightly darker veins. Male has a black dot on each HW.
Ventral, black veins on both FW and HW, Queen
only has black veins on HW. Soldiers are the only one in the genus that has pale squarish spots forming a concentric postmedian band.
mostly so. TX, so. FL / W. Indies / Mexico to Brazil - Map
a few strays are reported north of their southern range each fall.
Found in many different open areas with their host plant, nectar sources, or pyrrolizidine alkaloids.
North to Orland in the summer, all year in south Florida with 3+ broods, most common October-December.
Milkweeds A. curassavica, A. tomentosa, twinevines - Funastrum (=Sarcostemma) clausumi, Funastrum (=Sarcostemma) cynanchoides, Cynanchum racemosum and latexplant - Morrenia odorata (Asclepiadaceae)
"I've never had Soldiers oviposit on Tropical Milkweed, although larvae readily eat it. They typically oviposit on Cynanchum or Sarcostemma. (Dale Clark, pers. comm. to MAQ, 2013)
Tropical species that began colonizing Florida in the 1970's. The Florida Soldiers come from an Antillean population, and the Texas Soldiers originated in Mexico.
In the summer, Soldiers sometimes stray north to NC.
Calhoun, J.V. 1996. Conquering soldiers: the successful invasion of Florida by Danaus eresimus (Lepidoptera: Nymphalidae). Holarctic Lepidoptera 3: 7-18.
Cramer, . Uitlandsche Kapellen (Papillons exotiques) Uitl. Kapellen 2 (9-16): 1-152.
- Dale Clark, Dallas County Lepidopterists' Society (DCLS)