Short-tailed swallowtail
Papilio brevicauda, the short-tailed swallowtail, is a North American butterfly in the family Papilionidae.
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
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OviparousOviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
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starts withThe short-tailed swallowtail is very similar to the male black swallowtail (Papilio polyxenes) but has shorter tails, and the forewing tip is rounder. The yellow bands of spots on the upperside of the wings are often more orange (except in the western part of its range).
This butterfly primarily breeds on Scotch lovage (Ligusticum scoticum) and is often found very near the ocean where its larval stage food sources grow. It is especially fond of headlands with Scotch lovage and members of the parsley family (Apiaceae), including cow parsnip (Heracleum species), angelica (Angelica atropurpurea). It is a very strong flier so windy locations are not an issue.
The short-tailed swallowtail is on the wing from mid-June to July.
Males will seek females by awaiting them on hilltops. Females lay their eggs singly on host plant leaves. The eggs are cream and later obtain a reddish-brown ring. The pale green to creamish-green larva has black bands between segments with yellow spots on the black bands (these spots are orange in Cape Breton Island). The chrysalis is either green or black brown. The chrysalis hibernates. The short-tailed swallowtail has one brood per year, sometimes having a second partial brood.
