Updated as per http://biological-diversity.info/sphingidae.htm (Belize), November 2007
Updated as per Fauna Entomologica De Nicarauga, November 2007
Updated as per The Known Sphingidae of Costa Rica, November 2007

Sphinx geminus
Gemmed Sphinx Moth

Sphinx geminus, Nicaragua, MAES J.M.
Sphingidae & Saturniidae of Nicaragua CD ROM.

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

TAXONOMY:

Family: Sphingidae, Latreille, 1802
Subfamily: Sphinginae, Latreille, 1802
Tribe: Sphingini, Latreille, 1802
Genus: Sphinx Linnaeus, 1758 ...........
Species: gemina Rothschild & Jordan, 1903

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DISTRIBUTION:

The Gemmed Sphinx Moth, Sphinx geminus (Wing span: 3 5/8 - 4 1/8 inches (9.2 - 10.5 cm)), flies from
Mexico: (Jalapa, Mexico, specimen type locality); to
Honduras ?? and
Nicaragua, with an occasional stray into Texas.

The upperside of the forewing is gray with wavy black and light gray bands and two small gray spots near the center of the costa. The upperside of the hindwing is black with two wavy white bands.

Sphinx geminus, Mexico, courtesy of Manuel Balcazar-Lara.

FLIGHT TIMES:

Sphinx geminus adults probably fly as a single brood from July-August.

ECLOSION:

Pupae probably wiggle to surface from subterranean chambers just prior to eclosion.

SCENTING AND MATING:

Females call in the males with a pheromone released from a gland at the tip of the abdomen. Adults nectar at deep-throated flowers including Japanese honeysuckle (Lonicera japonica), bouncing bet (Saponaria officinalis), petunia (Petunia species), and catalpa (Catalpa speciosa).

EGGS, LARVAE, PUPAE:

Larval hosts are ???

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