# yellow barklouse (*Valenzuela flavidus*) The yellow barklouse is a tiny insect that loves to live on trees. It has a bright yellow color that helps it blend in with the bark, making it hard to spot! - **Category:** [Insects](https://www.snappit.app/explore/categories/insect) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Habitat:** Forests ![yellow barklouse](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Valenzuela_flavidus_01.JPG&width=800) Photo: Sanja565658, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Valenzuela_flavidus_01.JPG) ## Appearance The yellow barklouse is a tiny insect, often bright yellow or yellowish-brown. It has a soft, oval body with long, slender antennae and clear, membranous wings usually held roof-like over its back. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Arthropoda - **Class:** Insecta - **Order:** Psocodea - **Family:** Caeciliusidae - **Genus:** Valenzuela ## Interesting facts - Barklice help clean tree bark, nibbling tiny algae and fungi! - Even though they're small, their dancing movements can be surprisingly mesmerizing! - Some barklice lay their eggs in a fluffy, protective silk nest! - They often move together in wiggly groups, looking like tiny parades! ## Special abilities - **Camouflage Cloak:** yellow barklouse has a yellow body that helps them blend in perfectly with lichens and bark, hiding from hungry predators. - **Thread Weaver:** yellow barklouse can produce silken threads from their mouthparts, which they use to build protective webs on bark. ## Measurements & details - **Wingspan:** 3-6 mm - **Size:** 1.5-3 mm - **Lifespan:** 30-90 days - **Flight Speed:** 0.5 km/h - **Leg Count:** 6 - **Colony Size:** 200 ## Diet & Feeding They mostly munch on tiny bits of algae, fungi, and lichens found on tree bark and leaves. - **Primary Foods:** lichens, algae, fungi, tree sap - **Foraging Method:** Foraging ## Ecological connections - **Eaten by:** [Carolina Chickadee](https://www.snappit.app/explore/carolina-chickadee) (*Poecile carolinensis*) — Tiny birds love to snack on barklice. - **Eaten by:** Flower Crab Spider (*Misumena vatia*) — Spiders often catch them on bark and leaves. - **Depends on:** [Northern Red Oak](https://www.snappit.app/explore/northern-red-oak) (*Quercus rubra*) — They find shelter and food on oak tree bark. - **Depends on:** [Sugar Maple](https://www.snappit.app/explore/sugar-maple) (*Acer saccharum*) — Many barklice species prefer maple trees for feeding. ## Traits - [Social](https://www.snappit.app/explore/traits/social): Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring. - [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. - [Camouflaged](https://www.snappit.app/explore/traits/camouflaged): Camouflaged describes organisms that possess coloring or patterns that allow them to blend into their environment. - [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors. - [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material. - [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life. - [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night. - [Miniature](https://www.snappit.app/explore/traits/miniature): Pertaining to species that are significantly smaller than typical or average for their kind. - [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:** 1/5 · Very low These insects are harmless, but it's best to look and not touch them. ## Frequently Asked Questions ### How to identify yellow barklouse? Look for six legs, antennae, three body sections and the shape of the wings. Beetles have hardened front wings; flies have just one working pair. Tiny insects may need a close view before their group is clear. Insect Identifier: upload a photo and compare the visible details. ### What is yellow barklouse's wingspan? 3-6 mm ### How big is yellow barklouse? 1.5-3 mm ### How long does yellow barklouse live? 30-90 days ### How fast can yellow barklouse fly? 0.5 km/h ### What does yellow barklouse eat? They mostly munch on tiny bits of algae, fungi, and lichens found on tree bark and leaves. ### Where is yellow barklouse usually found? Forests ### How does yellow barklouse hunt? Foraging ## 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 Barklouse: Facts & Places to See — Snappit](https://www.snappit.app/explore/yellow-barklouse)