Parhelophilus
Parhelophilus
Classification
- Phylum: Arthropoda
- Subphylum: Hexapoda
- Class: Insecta
- Order: Diptera
- Family: Syrphidae
- Subfamily: Eristalinae
- Tribe: Eristalini
- Subtribe: Helophilina
- Genus: Parhelophilus
Pronunciation
How to pronounce Parhelophilus: //ˌpɑːr.hɛˈloʊ.fɪ.ləs//
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Summary
Parhelophilus is a genus of hoverflies closely related to Helophilus, characterized by distinct coloration and a specific wing pattern. They are important pollinators in their habitats and are predominantly found in Holarctic regions.
Physical Characteristics
9-11mm in size, with yellow spots on the abdomen and dark-pale banded thoracic dorsum. Legs have less black compared to Helophilus.
Identification Tips
Parhelophilus can be distinguished from Helophilus by the bare facial stripe, which is absent in Parhelophilus, and the presence of narrow crossvein-like dark patches on the wings. The overall coloration is more orange compared to Helophilus, which is lemon-yellow.
Habitat
Commonly found on goldenrod, asters, and other composite flowers during late summer to fall.
Distribution
Holarctic distribution, including most of North America, with almost all species being transcontinental.
Diet
Nectarivorous, feeding on nectar from flowers.
Ecosystem Role
Pollinators; contribute to flower pollination which is crucial for plant reproduction.
Evolution
Closely allied to the genus Helophilus, showing significant morphological and color differences.
Similar Taxa
- Helophilus
- Lejops
Tags
- hoverflies
- Parhelophilus
- syrphid flies
- pollinators
- Holarctic