Eupeodes
Osten Sacken, 1877
Aphideaters, aphideater flies
Species Guides
9- Eupeodes americanus(American hoverfly)
- Eupeodes flukei(Fluke's Aphideater)
- Eupeodes fumipennis(Western Aphideater)
- Eupeodes latifasciatus(Broad-banded Aphideater)
- Eupeodes montivagus(Red-tailed Aphideater)
- Eupeodes perplexus(bare-winged aphideater)
- Eupeodes pomus(Short-tailed Aphideater)
- Eupeodes snowi(Snow's Aphideater)
- Eupeodes volucris(Large-tailed Aphideater)
Eupeodes is a of moderate-sized hoverflies in the Syrphidae, commonly known as aphideaters. are black with yellow markings and are distributed worldwide. The genus is part of the Syrphini tribe and is frequently mistaken for similar genera. Both life stages serve important ecological functions: larvae are , while adults are .
Pronunciation
How to pronounce Eupeodes: //juːˈpiː.əˌdiːz//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Distinguished from similar Syrphini by the yellow with narrow brown stripe (not entirely yellow or black), that are never yellow, and hind lacking hairs at the posteromedial angle. Wing is nearly entirely trichose with only small bare areas near the base, unlike some related genera. The abdominal pattern of paired spots on tergite 2 and banded or lunulate markings on subsequent tergites helps separate it from look-alikes. Males have meeting at top of ; females have eyes nearly meeting. Can be confused with Syrphus, which has tufts of pile on calypters.
Images
Habitat
Associated with environments supporting , including gardens, agricultural fields, and natural vegetation. visit flowering plants for nectar and pollen.
Distribution
Worldwide distribution. Documented from Europe (Denmark, Norway, Sweden), North America (Vermont, United States), and other regions.
Seasonality
are especially conspicuous in spring and fall when peak. Active during flowering periods when nectar and pollen are available.
Diet
Larvae feed on a wide variety of aphids. feed on nectar and pollen.
Life Cycle
Females lay in or near colonies. Larvae pass through three instars, feeding on aphids, before pupating. Pupa is a convex pear-shaped lump attached to leaves, stems, or other substrates. emerge from the capsule-like pupa.
Behavior
hover over plants they visit and are capable . Larvae are cryptic, often resembling discolored patches on leaves or shed pollen cones.
Ecological Role
Larvae function as important agents of . serve as of various flowering plants.
Human Relevance
Beneficial insects in gardens and agriculture. Larvae provide natural control, reducing need for chemical intervention. contribute to pollination. Often mistaken for pests due to larval appearance; gardeners may inadvertently kill them.
Similar Taxa
- SyrphusHas tufts of pile on calypters; Eupeodes lacks these
- AllograptaSimilar abdominal pattern but differs in structural details of and
- ToxomerusSmaller size and different abdominal markings; Toxomerus often has more linear patterns
Misconceptions
Larvae are frequently mistaken for plant-feeding caterpillars or pests due to their cryptic appearance and maggot-like form, leading to accidental destruction by gardeners. are often mistaken for bees or due to mimicry.
More Details
Mimicry
exhibit of hymenopterans (bees and ), with yellow and black coloration and hovering . Unlike bees, they have only one pair of wings, very short , and sponging mouthparts rather than chewing .