Alydus eurinus
This record describes Alydus eurinus (species). Recorded family: Alydidae. Recorded order: Hemiptera.
Identification and Appearance

Pronotum with rounded hind angles, with no pale margins, head and pronotum densely hairy and punctuate, membrane all dark
Wikipedia reference for Alydus eurinus: http://en.wikipedia.org/wiki/Alydus_eurinus.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
- Suborder
- Heteroptera
- Superfamily
- Coreoidea
- Family
- Alydidae (Broad-headed Bugs)
- Subfamily
- Alydinae
- Genus
- Alydus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
widely dist. (AK-NS to CA-FL) - Map ( 3 ) ( 4 ) ( 5 ) , most common across e. NA
Seasonal Activity
mostly May-Nov (BG data)
Diet and Behavior
Diet: Takes plant juices; occasionally on carrion ( 6 )
Additional species information
Species notes from the sources
Etymology: Alydus eurinus ( Say 1825)
About True Bugs, Cicadas, Hoppers, Aphids and Allies: the wider group
Order-level background for Hemiptera, the group containing Alydus eurinus. 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 Alydus eurinus (3)
Photo credits: Contributed by Brad Barnd; Additional contributions by cotinis , Mike Quinn , v belov
Frequently Asked Questions About Alydus eurinus
What is Alydus eurinus?
Alydus eurinus is a species in the family Alydidae, within the order Hemiptera.
How big is Alydus eurinus?
11-15 mm
How do you identify Alydus eurinus?
Pronotum with rounded hind angles, with no pale margins, head and pronotum densely hairy and punctuate, membrane all dark
Where is Alydus eurinus found?
Range: widely dist. (AK-NS to CA-FL) - Map ( 3 ) ( 4 ) ( 5 ) , most common across e. NA
What does Alydus eurinus eat?
The diet of the Alydus eurinus includes Takes plant juices; occasionally on carrion ( 6 ).
When is Alydus eurinus active?
Alydus eurinus: seasonal activity - mostly May-Nov (BG data).
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