Hyalophora mix x Callosamia promethea

courtesy of Bruce Passarelli

Hyalophora mixed male x Callosamia promethea female.

The male depicted above is believed to be a male from [a male from a (male eurylus x female columbia) x pure female columbia]. The resulting eggs were not fertile.

I believe the male depicted above probably came from a male hybrid (a male sibling of the female depicted below) of (Hyalophora euryalus male x Hyalophora columbia female) crossed with a pure Hyalophora columbia female.

Female from H. euryalus x H columbia, April 26, 2005, courtesy of B. Passarelli.

Bruce also had a pairing of a male Hyalophora columbia with a female Callosamia promethea, and Bruce is rearing them on chokecherry. They would not accept the sassafras that he usually offers promethea. First instar larvae are depicted below.

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