OK, size isn’t everything but the two largest moths we find in France are quite spectacular in both adult form and caterpillar and as such I think are worth a mention, they rarely fail to rise a "wow" when someone finds one. The Great Peacock Moth Saturnia pyri is the larger of the two and is Euorope largest moth with a wingspan of between 100 and 150mm, (4 to 6 inches), although some texts suggest that 200mm, (8inches), is possible. Click on images to enlarge Great Peacock Moth on my hand This is a species with only one generation a year with the adults usually emerging from mid April to mid May when they devote their short life entirely to reproduction as they live for perhaps 7 days and have no requirement to take nutrition. Pair of Great Peacock Moths mating Specifically a virgin female finds a place in a bush or tree where she emits nightly sex pheromones which diffuse into the air which can be picked up by males from as far as 5 km...
A blog about French wildlife with a wide focus on French species, conservation, habitat management including keeping honey bees and honey production managed organically in a sustainable manner.