Idiocerus setaceus
This record describes Idiocerus setaceus (species). Recorded family: Cicadellidae. Recorded order: Hemiptera.
Identification and Appearance

This species is similar to the sympatric I. striolus , to which it runs in the key (idem, 827-828). The single long stylar seta is unique. The stylar setae of I. cedrus Hamilton (Fig. 23) are similar in size and shape, but are always paired. - Hamilton, 1985
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
- Suborder
- Auchenorrhyncha
- Superfamily
- Membracoidea
- Family
- Cicadellidae (Typical Leafhoppers)
- Subfamily
- Eurymelinae
- Tribe
- Idiocerini
- Genus
- Idiocerus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
Throughout Canada and Northern United States
Diet and Behavior
Diet: Salix petiolaris (meadow willow). Also on Salix eriocephala (Missouri River willow), Salix sericea (silky willow).
Additional species information
Species notes from the sources
Etymology: Idiocerus setaceus Hamilton, 1985
About True Bugs, Cicadas, Hoppers, Aphids and Allies: the wider group
Order-level background for Hemiptera, the group containing Idiocerus setaceus. Species-specific details appear above.
Group overview
Hemiptera (true bugs) includes over 80,000 described species across cicadas, aphids, leafhoppers, shield bugs, and bed bugs. Aphids alone cost global agriculture an estimated $2.5 billion annually in crop losses.
Ecological role of the group
Many Hemiptera are essential food sources for birds and predatory insects. Cicadas provide massive nutrient pulses during emergence events - a single Brood X emergence can involve trillions of individuals across 15 states.
Economic and practical significance of the group
The brown marmorated stink bug (Halyomorpha halys) caused $37 million in apple crop losses in a single year in the U.S. Mid-Atlantic region. Bed bug infestations in the U.S. increased by 500% between 2001-2010, costing the hotel industry hundreds of millions annually.
Recorded sources for this group: USDA, EPA, University research. Imported estimates may describe particular regions or reporting periods.
Photos of Idiocerus setaceus (3)
Photo credits: Contributed by v belov; Additional contributions by antarctica
Frequently Asked Questions About Idiocerus setaceus
What is Idiocerus setaceus?
Idiocerus setaceus is a species in the family Cicadellidae, within the order Hemiptera.
How do you identify Idiocerus setaceus?
This species is similar to the sympatric I. striolus , to which it runs in the key (idem, 827-828). The single long stylar seta is unique. The stylar setae of I. cedrus Hamilton (Fig. 23) are similar in size and shape, but are always paired. - Hamilton, 1985
Where is Idiocerus setaceus found?
Habitat: Throughout Canada and Northern United States
What does Idiocerus setaceus eat?
The diet of the Idiocerus setaceus includes Salix petiolaris (meadow willow). Also on Salix eriocephala (Missouri River willow), Salix sericea (silky willow)..
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