BioImages: The Virtual Field-Guide (UK)

Entomophthora coleopterorum Petch, 1932 (an entomophagous fungus)

Warning: Identification questionable
Date: 17 July 2007
Location: Cardigan, Wales
Voucher: 17/07/2007[G]
(Please quote this in any queries about this record)
State: Infection
Record Summary: Fungal infection on Soldier Beetle on leaf of Hemp Agrimony
Associated organism: on dead abdomen of Rhagonycha fulva
Identification Notes: Shaggy pale brownish filaments descending from abdomen of Soldier Beetle (Rhagonycha fulva).

Filaments: thin-walled, hyaline, cylindric hyphae 13-18µm diam, with constricted septa, collapsing above.

With occasional pollen grains of Hemp Agrimony (which was just coming into flower) subspherical spiny c.23µm diam. with wall 2.5µm thick and acuminate spines ≤3µm tall.

Unfortunately, by the time the specimen was examined, it had become covered with a hyaline hyphomycete with small conidia.

Images etc

naked eye photograph Infected beetle - dorsal view - enlarged 500 by 380 pixels
naked eye photograph Infected beetle - dorso-lateral view - enlarged 500 by 316 pixels
naked eye photograph Infected beetle - dorso-lateral view - enlarged 500 by 334 pixels
naked eye photograph Infected beetle - lateral view - enlarged 500 by 309 pixels
naked eye photograph Infected beetle - latero-dorsal view - enlarged 500 by 345 pixels
naked eye photograph Infection - highly enlarged 500 by 274 pixels
microscope photograph Basal hyphae - magnified 500 by 333 pixels
microscope photograph Basal hyphae - magnified 500 by 333 pixels
microscope photograph Basal hyphae - outgrowth - magnified 500 by 380 pixels
microscope photograph Collapsed hyphae with pollen grains of Hemp Agrimony - magnified 500 by 333 pixels
microscope photograph Collapsed hyphae with pollen grains of Hemp Agrimony - magnified 500 by 333 pixels
microscope photograph Collapsed hyphae with pollen grains of Hemp Agrimony - magnified 500 by 333 pixels
microscope photograph Pollen grain of Hemp Agrimony - magnified 27 Kb 341 by 285 pixels

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