Eumorpha intermedia

Eumorpha intermedia
(B. P. Clark, 1917) Pholus

Eumorpha intermedia male courtesy of Vernon A. Brou.

This site has been created by Bill Oehlke at oehlkew@islandtelecom.com
Comments, suggestions and/or additional information are welcomed by Bill.

TAXONOMY:

Superfamily: Sphingoidea, Dyar, 1902
Family: Sphingidae, Latreille, 1802
Subfamily: Macroglossinae, Harris, 1839
Tribe: Philampelini, Burmeister
Genus: Eumorpha, Hubner, [1807]
Species: intermedia, (B. P. Clark, 1917)

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DISTRIBUTION:

The Intermediate Sphinx Moth, (Eumorpha intermedia), (Wing span: 3 9/16 - 3 7/8 inches (9 - 9.8 cm)), flies in lower austral and subtropical lowlands in North Carolina, Florida, Mississippi, Louisiana, and South Texas.

Note the dark arc on the first abdominal segment. The similar Eumorpha pandorus does not have such an arc.

FLIGHT TIMES AND PREFERRED FOOD PLANTS:

Eumorpha intermedia adults are on the wing from April-October.

Adults nectar at various flowers in the dark. Eumorpha intermedia larvae probably feed upon primrose-willow, Ludwigia (water primrose) and other plants in the evening primrose family (Onagraceae). Grapes probably also serve as larval hosts.

ECLOSION, SCENTING AND MATING:

Pupae wiggle to surface just prior to eclosion. Females call at night, and males fly into the wind to pick up and track the pheromone plume.

Eumorpha intermedia female courtesy of Vernon A. Brou.

EGGS, LARVAE AND PUPAE:

Larvae pupate in shallow underground chambers.

Larval Food Plants


Listed below are primary food plant(s) and alternate food plants. It is hoped that this alphabetical listing followed by the common name of the foodplant will prove useful. The list is not exhaustive. Experimenting with closely related foodplants is worthwhile.

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