πŸͺ° Flies

Stalk-Eyed Fly

Teleopsis dalmanni

About Stalk-Eyed Fly

Males have eyes on the tips of long rigid stalks that can span wider than their body length. Females prefer males with wider eye spans, driving extreme sexual selection.

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Did You Know?

Males compete by facing each other and comparing eye span β€” the wider-eyed male wins. Females prefer wide-eyed males because eye span indicates good genes.

How to Identify Stalk-Eyed Fly

Stalk-Eyed Fly (Teleopsis dalmanni) belongs to the order Diptera, family Diopsidae. Adults typically measure 6-10 mm body (eye span up to 25 mm).

Stalk-Eyed Fly Habitat

Stalk-Eyed Fly is found in rivers & streams habitats, particularly across Asia. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Stalk-Eyed Fly Diet and Feeding

Stalk-Eyed Fly feeds on fungi and moulds. Fungus-feeding insects help regulate fungal populations and contribute to decomposition processes.

Where Is Stalk-Eyed Fly Found?

Stalk-Eyed Fly can be found in Asia, where it inhabits rivers & streams environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Stalk-Eyed Fly can be found

Is Stalk-Eyed Fly Dangerous?

Stalk-Eyed Fly is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.

Stalk-Eyed Fly Role in Nature

Stalk-Eyed Fly plays a role in its ecosystem as part of the food web, serving as both consumer and prey. Insects like Stalk-Eyed Fly are a vital food source for birds, bats, and other wildlife, and contribute to the overall health and balance of their environment.

Seasonal Activity

Jan
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Dec
Peak activity Moderate Low / dormant

Frequently Asked Questions About Stalk-Eyed Fly

What does Stalk-Eyed Fly look like?

The Stalk-Eyed Fly typically measures 6-10 mm body (eye span up to 25 mm).

Where is Stalk-Eyed Fly found?

The Stalk-Eyed Fly is found in Asia and typically inhabits rivers & streams environments.

What does Stalk-Eyed Fly eat?

The Stalk-Eyed Fly feeds on fungi and moulds.

Is Stalk-Eyed Fly dangerous to humans?

The Stalk-Eyed Fly is generally harmless to humans. It does not bite or sting and poses no significant health risk.

What is an interesting fact about Stalk-Eyed Fly?

Males compete by facing each other and comparing eye span β€” the wider-eyed male wins. Females prefer wide-eyed males because eye span indicates good genes.

Cite This Page

APA:
InsectDiscover. (2026). Stalk-Eyed Fly (Teleopsis dalmanni). Retrieved from https://insectdiscover.com/insect/stalk-eyed-fly

MLA:
"Stalk-Eyed Fly." InsectDiscover, https://insectdiscover.com/insect/stalk-eyed-fly.