Maschwitz U, Dumpert K, Tuck KR (1986). "Ants feeding on anal exudate from tortricid larvae: a new type of trophobiosis". Journal of Natural History. 20 (5): 1041–1050. Bibcode:1986JNatH..20.1041M. doi:10.1080/00222938600770751.
Sidnei M, Noll FB, Zucchi R (2004). "Caste Flexibility and Variation According to the Colony Cycle in the Swarm-founding Wasp, Parachartergus Fraternus (Gribodo) (Hymenoptera: Vespidae: Epiponini)". Journal of the Kansas Entomological Society. 77 (4): 470–83. doi:10.2317/E-40.1. S2CID84967255.
Meiners JM, Griswold TL, Harris DJ, Ernest SK (August 2017). "Bees without Flowers: Before Peak Bloom, Diverse Native Bees Find Insect-Produced Honeydew Sugars". The American Naturalist. 190 (2): 281–291. Bibcode:2017ANat..190..281M. doi:10.1086/692437. PMID28731796. S2CID206004844.
Maschwitz U, Dumpert K, Tuck KR (1986). "Ants feeding on anal exudate from tortricid larvae: a new type of trophobiosis". Journal of Natural History. 20 (5): 1041–1050. Bibcode:1986JNatH..20.1041M. doi:10.1080/00222938600770751.
Meiners JM, Griswold TL, Harris DJ, Ernest SK (August 2017). "Bees without Flowers: Before Peak Bloom, Diverse Native Bees Find Insect-Produced Honeydew Sugars". The American Naturalist. 190 (2): 281–291. Bibcode:2017ANat..190..281M. doi:10.1086/692437. PMID28731796. S2CID206004844.
Meiners JM, Griswold TL, Harris DJ, Ernest SK (August 2017). "Bees without Flowers: Before Peak Bloom, Diverse Native Bees Find Insect-Produced Honeydew Sugars". The American Naturalist. 190 (2): 281–291. Bibcode:2017ANat..190..281M. doi:10.1086/692437. PMID28731796. S2CID206004844.
Sidnei M, Noll FB, Zucchi R (2004). "Caste Flexibility and Variation According to the Colony Cycle in the Swarm-founding Wasp, Parachartergus Fraternus (Gribodo) (Hymenoptera: Vespidae: Epiponini)". Journal of the Kansas Entomological Society. 77 (4): 470–83. doi:10.2317/E-40.1. S2CID84967255.
Meiners JM, Griswold TL, Harris DJ, Ernest SK (August 2017). "Bees without Flowers: Before Peak Bloom, Diverse Native Bees Find Insect-Produced Honeydew Sugars". The American Naturalist. 190 (2): 281–291. Bibcode:2017ANat..190..281M. doi:10.1086/692437. PMID28731796. S2CID206004844.