Sigara dorsalis
This record describes Sigara dorsalis (species). Recorded family: Corixidae. Recorded order: Hemiptera.
Identification and Appearance

7.3mm, 6 pales lines on the pronotum. The lines on the hemielytra are more broken with yellow yellow patches at the top. Hesperocorixa linnaei is a similar size and also has 6 pale lines on pronotum - to distinguish check xiphus or male pala. Usually in and around water, but flies well and may be attracted to lights. All year round, but most likely to be encountered between April and October.
Classification
Habitat and Range
Habitat
Usually in and around water, but flies well and may be attracted to lights.
Seasonal Activity
All year round, but most likely to be encountered between April and October.
Additional species information
Recorded status
Common and widespread in Britain.
About True Bugs, Cicadas, Hoppers, Aphids and Allies: the wider group
Order-level background for Hemiptera, the group containing Sigara dorsalis. 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 Sigara dorsalis (7)
Frequently Asked Questions About Sigara dorsalis
What is Sigara dorsalis?
Sigara dorsalis is a species in the family Corixidae, within the order Hemiptera.
How big is Sigara dorsalis?
and also has 6 pale lines on pronotum - to distinguish check xiphus or male pala.
Where is Sigara dorsalis found?
Habitat: Usually in and around water, but flies well and may be attracted to lights.
When is Sigara dorsalis active?
Sigara dorsalis: seasonal activity - All year round, but most likely to be encountered between April and October..
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