Blastothrix longipennis
Howard, 1881
Blastothrix longipennis is a of in the , first described by Howard in 1881. It belongs to a of encyrtid wasps known primarily as parasitoids of (). The species has been documented in museum collections across multiple continents, including North America, Europe, and Asia.
Pronunciation
How to pronounce Blastothrix longipennis: /ˈblæstɵˌθrɪks ˌlɔŋɡɪˈpɛnɪs/
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Identification
Within the Blastothrix, B. longipennis can be distinguished by its notably long relative to body size, as indicated by the epithet 'longipennis' (long-winged). Species-level identification in this genus typically requires examination of antennal structure, patterns, and male . Distinguishing B. longipennis from congenerics such as B. sericea and B. erythrostetha requires taxonomic knowledge and reference to .
Distribution
Documented distribution includes: British Columbia (Canada), California and District of Columbia (USA), England (United ), and East Kazakhstan. The disjunct records suggest either a broad natural range or human-mediated , though the sparse occurrence data preclude definitive conclusions about versus status in all regions.
Host Associations
- Coccoidea - Blastothrix is primarily associated with , though specific records for B. longipennis are not documented in available sources
Ecological Role
As a member of , this likely functions as a of , potentially contributing to natural of these herbivorous pests. The Encyrtidae is among the most important parasitoid groups for of in agricultural and natural .
Human Relevance
Specimens of B. longipennis are present in the University of California Riverside collection, one of the world's largest holdings of this . The has been preserved as both pinned specimens and microscope slides, indicating its significance for taxonomic and potentially research. No specific applied biocontrol programs utilizing this species have been documented in available sources.
Similar Taxa
- Blastothrix sericeaCongeneric with overlapping distribution; both have been collected in California and are preserved in the UCR collection. Separation requires detailed morphological examination.
- Blastothrix erythrostethaAnother congeneric with similar body plan and likely ; distinguished by coloration and characteristics.
- Blastothrix hungaricaEuropean congeneric ; B. longipennis shares the long-winged condition with this species, requiring careful comparison of for definitive identification.
More Details
Nomenclatural note
The was described by L.O. Howard in 1881. The UCR collection holds both pinned and slide-mounted specimens identified as B. longipennis, indicating stable taxonomic recognition over more than a century.
Collection significance
Presence in the UCR collection—started by P.H. Timberlake and curated by S. Triapitsyn—suggests this has been subject to modern taxonomic scrutiny, though published species-level treatments remain sparse.