🏠 Caddisflies

Black Sedge

Silo nigricornis

About Black Sedge

A caddisfly whose larvae build heavy cases from sand grains cemented with silk. Found in clean, stony streams. Cases have lateral flanges of larger stones for ballast.

πŸ’‘

Did You Know?

Larval cases have added flanges of larger stones that act as ballast, preventing the case from being swept away.

How to Identify Black Sedge

Black Sedge (Silo nigricornis) belongs to the order Trichoptera, family Goeridae. Adults typically measure 7-9 mm body.

Black Sedge Habitat

Black Sedge is found in rivers & streams habitats, particularly across Europe. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Black Sedge Diet and Feeding

Black Sedge has an omnivorous diet, feeding on both plant and animal matter. This dietary flexibility allows it to exploit a wide range of food sources in its environment.

Where Is Black Sedge Found?

Black Sedge can be found in Europe, where it inhabits rivers & streams environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Black Sedge can be found

Is Black Sedge Dangerous?

Black Sedge 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.

Black Sedge Role in Nature

Black Sedge plays a role in its ecosystem as part of the food web, serving as both consumer and prey. Insects like Black Sedge 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
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Peak activity Moderate Low / dormant

Frequently Asked Questions About Black Sedge

What does Black Sedge look like?

The Black Sedge typically measures 7-9 mm body.

Where is Black Sedge found?

The Black Sedge is found in Europe and typically inhabits rivers & streams environments.

What does Black Sedge eat?

The Black Sedge has an omnivorous diet, feeding on both plant and animal matter.

Is Black Sedge dangerous to humans?

The Black Sedge is generally harmless to humans. It does not bite or sting and poses no significant health risk.

What is an interesting fact about Black Sedge?

Larval cases have added flanges of larger stones that act as ballast, preventing the case from being swept away.

Cite This Page

APA:
InsectDiscover. (2026). Black Sedge (Silo nigricornis). Retrieved from https://insectdiscover.com/insect/black-sedge

MLA:
"Black Sedge." InsectDiscover, https://insectdiscover.com/insect/black-sedge.