Homoeosoma electellum

are host of

• Global Biotic Interactions: Perilampus similis Crawford 1914
• Global Biotic Interactions: Elasmus setosiscutellatus Crawford 1910

are parasitized by

• Global Biotic Interactions: Perilampus similis Crawford 1914

eat

• Global Biotic Interactions: Helianthus petiolaris Nutt. (prairie sunflower)
• Global Biotic Interactions: Coreopsis tinctoria Nutt. (golden tickseed)
• Global Biotic Interactions: Helianthus tuberosus L. (Jerusalem artichoke)
• Global Biotic Interactions: Ratibida columnifera (Nutt.) Woot. & Standl. (Mexican hat)
• Global Biotic Interactions: Helianthus maximiliani Schrad. (Maximilian sunflower)

have host

• Global Biotic Interactions: Citrus aurantium L. ()
• Global Biotic Interactions: Helianthus annuus L. (common sunflower)

have pathogen

• Global Biotic Interactions: Metarhizium anisopliae (Metschn.) Sorokīn 1883