# Hemlock Woolly Adelgid (*Adelges tsugae*) The Hemlock Woolly Adelgid is a tiny bug that loves to live on hemlock trees. It has a fluffy white coating that makes it look like a little cotton ball! - **Category:** [Insects](https://www.snappit.app/explore/categories/insect) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Snaps:** 11 - **Habitat:** Forests ![Hemlock Woolly Adelgid](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Adelges_tsugae_3225077.jpg&width=800) Photo: Connecticut Agricultural Experiment Station Archive, Connecticut Agricultural Experiment Station, CC BY 3.0 us · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Adelges_tsugae_3225077.jpg) ## Appearance The Hemlock Woolly Adelgid is a tiny, oval-shaped insect covered in a distinctive white, cottony wax that makes it look like a speck of snow. Its reddish-brown body is mostly hidden beneath this fluffy protective coating, making it easy to spot against green hemlock needles. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Arthropoda - **Class:** Insecta - **Order:** Hemiptera - **Family:** Adelgidae - **Genus:** Adelges ## Interesting facts - Hemlock woolly adelgids don't even need a male to have babies! - They arrived in the US from Japan over 100 years ago! - They lay hundreds of tiny eggs, all hidden under their woolly fluff! - This tiny insect causes huge problems for massive hemlock trees! ## Special abilities - **Woolly Cloak:** Hemlock Woolly Adelgid has a fluffy white wax coating that helps them hide and protects them from predators and harsh weather. - **Hemlock Harvester:** Hemlock Woolly Adelgid can suck vital sap from hemlock trees because of its piercing mouthparts, making trees sick. - **Rapid Replicator:** Hemlock Woolly Adelgid has a unique reproductive method called parthenogenesis that helps them multiply quickly without a mate. ## Measurements & details - **Size:** 0.5-1.5 mm - **Lifespan:** 60-300 days - **Leg Count:** 6 ## Diet & Feeding This tiny bug is a plant-sap feeder, sucking nutrients directly from hemlock tree needles. - **Primary Foods:** Eastern Hemlock sap, Carolina Hemlock sap, Western Hemlock sap ## Ecological connections - **Depends on:** [Eastern Hemlock](https://www.snappit.app/explore/eastern-hemlock) (*Tsuga canadensis*) — The primary food source and habitat. - **Eats:** Black Laricobius beetle (*Laricobius nigrinus*) — This introduced beetle preys specifically on adelgids. - **Eats:** Silvery-cheeked Leucopis fly (*Leucopis argenticollis*) — Its larvae are important predators of adelgids. ## 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. - [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. - [Miniature](https://www.snappit.app/explore/traits/miniature): Pertaining to species that are significantly smaller than typical or average for their kind. - [Parasitic](https://www.snappit.app/explore/traits/parasitic): This trait describes organisms that live on or in a host organism, obtaining nutrients at the host's expense. - [Vampiric](https://www.snappit.app/explore/traits/vampiric): Vampiric organisms are those that obtain nutrients by feeding on the blood or bodily fluids of other animals. - [Invasive](https://www.snappit.app/explore/traits/invasive): Invasive species are non-native organisms that cause harm to the environment, economy, or human health. - [Threatened](https://www.snappit.app/explore/traits/threatened): Threatened status denotes a species likely to become endangered in the foreseeable future without effective conservation interventions. ## Collections - [Insects](https://www.snappit.app/explore/collections/insects) ## Safety **Danger:** 1/5 · Very low It's best to look at these insects from a distance and not touch them. ## Frequently Asked Questions ### How to identify Hemlock Woolly Adelgid? 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. ### How big is Hemlock Woolly Adelgid? 0.5-1.5 mm ### How long does Hemlock Woolly Adelgid live? 60-300 days ### What does Hemlock Woolly Adelgid eat? This tiny bug is a plant-sap feeder, sucking nutrients directly from hemlock tree needles. ### Where is Hemlock Woolly Adelgid usually found? Forests ### How many legs does Hemlock Woolly Adelgid have? 6 ## Where to spot - [Chesterfield Gorge](https://www.snappit.app/guides/places/chesterfield-gorge) — Massachusetts, US · Nature Reserve - [Chestnut Ridge Park](https://www.snappit.app/guides/places/chestnut-ridge-park) — New York, US · Park - [Days Ferry Historic District](https://www.snappit.app/guides/places/days-ferry-historic-district) — US · Historic District - [Field Farm](https://www.snappit.app/guides/places/field-farm) — Massachusetts, US · Nature Reserve - [Abram S. Hewitt State Forest](https://www.snappit.app/guides/places/abram-s-hewitt-state-forest) — New Jersey, US · Forest - [Central Village Historic District](https://www.snappit.app/guides/places/central-village-historic-district) — Connecticut, US · Historic District [View all places to see Hemlock Woolly Adelgid](https://www.snappit.app/guides/where-to-see/hemlock-woolly-adelgid) ## 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: [Hemlock Woolly Adelgid: Facts & Places to See — Snappit](https://www.snappit.app/explore/hemlock-woolly-adelgid)