(Click on specimens below to go to higher resolution pictures and explanations)
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The upper two photos on the left show Heliconius
hecale [Costa Rica]x
atthis
F1 hybrids. The third upper photo shows Heliconius (hecale
[Costa Rica]x
atthis)
backcrossed to atthis.The
three upper pictures on the right show Heliconius (hecale
[Costa Rica]x
atthis)
backcrossed to hecale [Costa Rica].The
lower pictures show Heliconius (hecale [Costa Rica]x
atthis)
x melpomene [the
variable melpomene stock had acquired some cydno white forewing
band genes after hybridization about 10 generations previously].