Chrysonotomyia susbelli
This record describes Chrysonotomyia susbelli (species). Recorded family: Eulophidae. Recorded order: Hymenoptera.
Identification and Appearance

original description Type Locality: Rice University campus, Houston, Harris County; 29.7179°N, 95.4048°W; 4.v.2022. ex. gall on Quercus virginiana ; coll. Pedro Brandão-Dias
Identification notes
original description
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Hymenoptera (Ants, Bees, Wasps and Sawflies)
- Superfamily
- Chalcidoidea
- Family
- Eulophidae
- Subfamily
- Entedoninae
- Tribe
- Entedonini
- Genus
- Chrysonotomyia
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
currently only known from Harris & Brazos counties, TX ; likely to be found throughout range of its insect host on its host plant, Quercus virginiana .
Seasonal Activity
Apr-May
Diet and Behavior
Diet: host plant: Quercus virginiana .
Life History
Parasitoid of cynipid gall wasps
Additional species information
Species notes from the sources
Etymology: Chrysonotomyia susbelli O'Loughlin, Brandão-Dias, Gates & Egan 2024
About Flies: the wider group
Order-level background for Hymenoptera, the group containing Chrysonotomyia susbelli. Species-specific details appear above.
Group overview
Hymenoptera includes over 150,000 described species of ants, bees, wasps, and sawflies. Earth harbors approximately 20 quadrillion (20×10^15) ants, with a combined biomass of ~12 megatons of dry carbon - exceeding the combined biomass of all wild birds and mammals (PNAS, 2022).
Ecological role of the group
About 35% of the world's food crops depend on animal pollinators. The chocolate industry, valued at over $100 billion, depends on pollinating flies and midges. Ants are the dominant soil engineers in most terrestrial ecosystems, turning more soil than earthworms in many habitats.
Economic and practical significance of the group
Pollinators contribute $235-577 billion worth of annual global food production (FAO). In the U.S., bee pollination alone benefits crops valued at $18 billion annually, and honey bees are responsible for $5.4 billion in agricultural productivity. Between April 2023-2024, 55.1% of managed honey bee colonies were lost. The U.S. bee population dropped from 5 million to 2.5 million.
Recorded sources for this group: FAO, USDA, EPA, PNAS (2022), US Fish & Wildlife Service. Imported estimates may describe particular regions or reporting periods.
Photos of Chrysonotomyia susbelli (2)
Photo credits: Contributed by John Schneider; Additional contributions by Mike Quinn , v belov
Frequently Asked Questions About Chrysonotomyia susbelli
What is Chrysonotomyia susbelli?
Chrysonotomyia susbelli is a species in the family Eulophidae, within the order Hymenoptera.
How big is Chrysonotomyia susbelli?
♂ 0.9 mm, ♀ 1.0‒1.2 mm
How do you identify Chrysonotomyia susbelli?
original description
Where is Chrysonotomyia susbelli found?
Range: currently only known from Harris & Brazos counties, TX ; likely to be found throughout range of its insect host on its host plant, Quercus virginiana .
What does Chrysonotomyia susbelli eat?
The diet of the Chrysonotomyia susbelli includes host plant: Quercus virginiana ..
When is Chrysonotomyia susbelli active?
Chrysonotomyia susbelli: seasonal activity - Apr-May.
What is the life cycle of a Chrysonotomyia susbelli?
Parasitoid of cynipid gall wasps
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