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Secretomorph (labial gland disease)

with a lot of mites

In nests of Formica sanguinea. All nests with Lomechusoide strumosus also contained numerous secretomorph/pseudogyne workers.

In nest of Formica sanguinea.

A single individual in nest of Formica sanguinea, a very unusual host ant for this species. The normal summer host is Formica fusca.