Syndelphax alexanderi
This record describes Syndelphax alexanderi (species). Recorded family: Delphacidae. Recorded order: Hemiptera.
Identification and Appearance

Syndelphax alexanderi (Syndelphax alexanderi) is a species in the family Delphacidae, commonly known as delphacid planthoppers, belonging to the order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies). It is classified within the subfamily Delphacinae, tribe Delphacini, suborder Auchenorrhyncha, superfamily Delphacoidea. This species belongs to the genus Syndelphax.
Identification notes
photos of diagnostic features
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
- Suborder
- Auchenorrhyncha
- Superfamily
- Delphacoidea
- Family
- Delphacidae (Delphacid Planthoppers)
- Subfamily
- Delphacinae
- Tribe
- Delphacini
- Genus
- Syndelphax
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
e.US (NJ‒FL to KS‒MS)
Additional species information
Species notes from the sources
Etymology: Syndelphax alexanderi (Metcalf 1923)
About True Bugs, Cicadas, Hoppers, Aphids and Allies: the wider group
Order-level background for Hemiptera, the group containing Syndelphax alexanderi. 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 Syndelphax alexanderi (5)
Photo credits: Contributed by Fyn Kynd; Additional contributions by Mike Quinn , v belov
Frequently Asked Questions About Syndelphax alexanderi
What is Syndelphax alexanderi?
Syndelphax alexanderi is a species in the family Delphacidae, within the order Hemiptera.
How do you identify Syndelphax alexanderi?
photos of diagnostic features
Where is Syndelphax alexanderi found?
Range: e.US (NJ‒FL to KS‒MS)
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