Melanostoma scalare

Observation - Melanostoma scalare - UK and Ireland. Description: This appears to be a Melanostoma with Green Ears , in a manner of speaking when I first looked at the specimen I thought it was a green tachid egg but on closer examination was found too be symetrical in the region of the Halteres the insects organ of bal

This appears to be a Melanostoma with Green Ears , in a manner of speaking when I first looked at the specimen I thought it was a green tachid egg but on closer examination was found too be symetrical in the region of the Halteres the insects organ of balance not unlike the ear . Any observational comments welcome