# Yellow-legged Mud-dauber Wasp (*Sceliphron caementarium*) The Yellow-legged Mud-dauber Wasp is a small, shiny insect that builds mud nests. These wasps are helpful because they catch spiders to feed their babies, making them great little helpers in nature! - **Category:** [Insects](https://www.snappit.app/explore/categories/insect) - **Rarity:** Common - **Danger:** 2/5 · Low - **Snaps:** 32 - **Habitat:** Urban areas ![Yellow-legged Mud-dauber Wasp](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Sceliphron_caementarium_293055330.jpg&width=800) Photo: Kevin Krebs, CC BY 4.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Sceliphron_caementarium_293055330.jpg) ## Appearance The Yellow-legged Mud-dauber Wasp has a slender, black body with a distinctive long, narrow waist (petiole) connecting its thorax and abdomen. Its legs are bright yellow, contrasting sharply with its dark body, and its wings have a smoky, iridescent blue tint. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Arthropoda - **Class:** Insecta - **Order:** Hymenoptera - **Family:** Sphecidae - **Genus:** Sceliphron ## Interesting facts - Each female mud-dauber wasp is a solo builder, creating her own unique mud nursery! - Mud-dauber babies wake up to a pantry full of fresh, paralyzed spider snacks! - Their super-thin 'waist' helps them zip and zoom with incredible agility! - They use water like a super-glue to mix mud into strong, weather-proof homes! ## Special abilities - **Architectural Builder:** Yellow-legged Mud-dauber Wasps can construct sturdy nests from mud and water, providing a safe nursery for their young. - **Stunning Immobilizer:** Yellow-legged Mud-dauber Wasps can paralyze spiders with a precise sting, keeping them fresh for their larvae to eat. - **Spider Seeker:** Yellow-legged Mud-dauber Wasps have keen senses that help them locate and hunt various types of spiders. ## Measurements & details - **Wingspan:** 25-40 mm - **Size:** 18-28 mm - **Lifespan:** 20-40 days - **Flight Speed:** 18 km/h - **Leg Count:** 6 - **Colony Size:** 1 ## Diet & Feeding Adult wasps drink nectar, but their young feast on paralyzed spiders stored in mud nests! - **Age differences:** Adults drink nectar, while larvae consume paralyzed spiders. - **Primary Foods:** orb weaver spiders, jumping spiders, crab spiders, flower nectar - **Foraging Method:** Pursuit ## Ecological connections - **Hunts:** Black and Yellow Garden Spider (*Argiope aurantia*) — Main prey for larvae - **Hunts:** European Garden Spider (*Araneus diadematus*) — Another common spider prey - **Parasitizes:** Ruby-tailed Wasp (*Chrysis ignita*) — Lays eggs in mud-dauber nests - **Eaten by:** [Eastern Kingbird](https://www.snappit.app/explore/eastern-kingbird) (*Tyrannus tyrannus*) — Adult wasps can be prey ## Traits - [Solitary](https://www.snappit.app/explore/traits/solitary): Solitary animals live alone for most of their lives, only interacting with others for mating or parental care. - [Web Builder](https://www.snappit.app/explore/traits/web-builder): This trait characterizes organisms that construct elaborate silken webs for catching prey, shelter, or reproduction. - [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors. - [Carnivorous](https://www.snappit.app/explore/traits/carnivorous): This trait identifies organisms whose diet consists entirely or primarily of animal tissue. - [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night. - [Urban Friendly](https://www.snappit.app/explore/traits/urban-friendly): This habitat trait indicates species that can coexist with humans in urban and suburban environments, utilizing man-made structures and green spaces. - [Pollinator](https://www.snappit.app/explore/traits/pollinator): Describes organisms that transfer pollen, enabling the fertilization and reproduction of plants. ## Collections - [Insects](https://www.snappit.app/explore/collections/insects) ## Safety **Danger:** 2/5 · Low Watch them from a distance; they are usually not dangerous but can sting if threatened. ## Frequently Asked Questions ### How to identify Yellow-legged Mud-dauber Wasp? Compare the antennae, wings, waist, body hair and legs. Yellow and black stripes show up on bees, wasps and harmless mimics alike. Bee & Wasp Identifier: upload a photo and compare the visible details. ### What is Yellow-legged Mud-dauber Wasp's wingspan? 25-40 mm ### How big is Yellow-legged Mud-dauber Wasp? 18-28 mm ### How long does Yellow-legged Mud-dauber Wasp live? 20-40 days ### How fast can Yellow-legged Mud-dauber Wasp fly? 18 km/h ### What does Yellow-legged Mud-dauber Wasp eat? Adult wasps drink nectar, but their young feast on paralyzed spiders stored in mud nests! ### Where is Yellow-legged Mud-dauber Wasp usually found? Urban areas ### How does Yellow-legged Mud-dauber Wasp hunt? Pursuit ## Where to spot - [Botanical Research Institute of Texas](https://www.snappit.app/guides/places/botanical-research-institute-of-texas) — Texas, US · Botanical Garden - [Concord](https://www.snappit.app/guides/places/concord) — Tennessee, US · Neighborhood - [Dinosaur Ridge](https://www.snappit.app/guides/places/dinosaur-ridge) — Colorado, US · Natural Landmark - [Durso Park](https://www.snappit.app/guides/places/durso-park) — Illinois, US · Park - [East Wetumpka Commercial Historic District](https://www.snappit.app/guides/places/east-wetumpka-commercial-historic-district) — Alabama, US · Historic District - [Haskell-Baker Wetlands](https://www.snappit.app/guides/places/haskell-baker-wetlands) — Kansas, US · Nature Reserve [View all places to see Yellow-legged Mud-dauber Wasp](https://www.snappit.app/guides/where-to-see/yellow-legged-mud-dauber-wasp) ## More Insects - [Common Eastern Bumble Bee](https://www.snappit.app/explore/common-eastern-bumble-bee) (*Bombus impatiens*) - [Spotted Lanternfly](https://www.snappit.app/explore/spotted-lanternfly) (*Lycorma delicatula*) - [Brown-belted Bumble Bee](https://www.snappit.app/explore/brown-belted-bumble-bee) (*Bombus griseocollis*) - [Eastern Carpenter Bee](https://www.snappit.app/explore/eastern-carpenter-bee) (*Xylocopa virginica*) --- Source: [Yellow-legged Mud-dauber Wasp Facts — Snappit](https://www.snappit.app/explore/yellow-legged-mud-dauber-wasp)