Hyles tithymali broods continuously. In captivity they usualy have a pupal stage of only two weeks. Wild populations have peak flights in spring and after rainy periods, with only few or none adults during the hot months between May and September. This species is found from the Canary and Cape Verde Islands, through Northern Africa (Senegal, Mauretania and Morocco east to Egypt, with a separate population in Yemen) in several subspecies (tithymali, deserticola, mauretanica, gecki and himyarensis). This species crossbreeds easily with the closely related Hyles euphorbiae. Hybrid populations are found on Malta (Sammuti) and coastal Spain and Portugal. The typical wingspan is between seven and eight centimeter, although dwarf forms of only four centimeter have been found in very hot and dry areas.
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| Hyles tithymali - Origin: Canary Islands |