As others are saying it is incorrect. The correct term is clearly heterocera.
It is Greek and is plural
The it means different or varied horns.
The root word here in Ancient Greek is κέρας (Keras) and it is a neuter second declension noun so the nominative plural is κέρα.
On 14:27, 1st Mar 2021, John Shuey wrote:
Am I falling behind the times – or is this a made up term? A quote from an SER publication –
“As a scientist and naturalist, Blaine has spent hundreds of nights conducting Nocturnal Lepidoptera (Heterocerids, a.k.a. Moths) surveys across the state of New Jersey”.
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