Branch Pruner
Psyrassa unicolor
This record describes Psyrassa unicolor (species). Recorded family: Cerambycidae. Recorded order: Coleoptera.
Identification and Appearance
uniformly orange to reddish-brown body, legs, and antennae; eyes black; body long, slender, and cylindrical; pronotum same width as head but almost twice as long; elytra nearly parallel-sided, slightly wider than pronotum and 3-5 times longer
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Chrysomeloidea
- Family
- Cerambycidae (Longhorn Beetles)
- Subfamily
- Cerambycinae
- Tribe
- Elaphidiini
- Genus
- Psyrassa
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
larvae on branches and twigs of host trees in spring adults may be attracted to artificial light
Geographic Range
e US, Ont. - Map
Seasonal Activity
mostly May-Aug
Diet and Behavior
Diet: larvae feed on the twigs and branches of hickory, pecan, and other hardwoods, girdling the branches deeply enough to cause them to break before leafout in spring
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Psyrassa unicolor. Species-specific details appear above.
Group overview
Coleoptera is the largest order of insects with over 400,000 described species, representing ~25% of all known animal species and ~40% of all insects. In the U.S. alone, nearly 30,000 beetle species have been identified.
Ecological role of the group
Beetles are prominent decomposers, especially in forests, breaking down dead wood and recycling nutrients. As predators, they reduce populations of pest insects. Many species are also important pollinators of flowering plants.
Economic and practical significance of the group
Beetles have major economic significance: leaf beetles (Chrysomelidae) and weevils (Curculionoidea) are among the most destructive agricultural pests globally, costing billions annually, while predatory species like ladybugs provide natural pest control.
Recorded sources for this group: Britannica, Smithsonian, NCSU Entomology. Imported estimates may describe particular regions or reporting periods.
Frequently Asked Questions About Branch Pruner
What is Branch Pruner?
Branch Pruner (Psyrassa unicolor) is a species in the family Cerambycidae, within the order Coleoptera.
How big is Branch Pruner?
about 10 mm
How do you identify Branch Pruner?
uniformly orange to reddish-brown body, legs, and antennae; eyes black; body long, slender, and cylindrical; pronotum same width as head but almost twice as long; elytra nearly parallel-sided, slightly wider than pronotum and 3-5 times longer
Where is Branch Pruner found?
| Feature | Details |
|---|---|
| Habitat | larvae on branches and twigs of host trees in spring adults may be attracted to artificial light |
| Range | e US, Ont. - Map |
What does Branch Pruner eat?
The diet of the Branch Pruner includes larvae feed on the twigs and branches of hickory, pecan, and other hardwoods, girdling the branches deeply enough to cause them to break before leafout in spring.
When is Branch Pruner active?
Branch Pruner: seasonal activity - mostly May-Aug.