Pachybrachis jacobyi
This record describes Pachybrachis jacobyi (species). Recorded family: Chrysomelidae. Recorded order: Coleoptera.
Identification and Appearance
Moderately robust, pale whitish or grayish yellow, thickly, finely and for the most part diffusedly punctate, the punctures often pale brown but sometimes without color, integuments shining, not at all or scarcely alutaceous; eyes distant in both sexes
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Chrysomeloidea
- Family
- Chrysomelidae (Leaf Beetles)
- Subfamily
- Cryptocephalinae
- Tribe
- Cryptocephalini
- Genus
- Pachybrachis (Scriptured Leaf Beetles)
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
w US (CA-TX-SD-UT) - Map
Diet and Behavior
Life History
reported from saltbush ( Atriplex , Chenopodiaceae) ( 4 )
Additional species information
Species notes from the sources
Etymology: Pachybrachis jacobyi Bowditch, 1909
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Pachybrachis jacobyi. 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.
Photos of Pachybrachis jacobyi (3)
Photo credits: (c) K Schneider, some rights reserved (CC BY-NC), uploaded by K Schneider | (c) Jason Eckberg, some rights reserved (CC BY), uploaded by Jason Eckberg | Contributed by v belov; Additional contributions by Mike Quinn
Frequently Asked Questions About Pachybrachis jacobyi
What is Pachybrachis jacobyi?
Pachybrachis jacobyi is a species in the family Chrysomelidae, within the order Coleoptera.
How big is Pachybrachis jacobyi?
Length 3 to 4 mm
How do you identify Pachybrachis jacobyi?
Moderately robust, pale whitish or grayish yellow, thickly, finely and for the most part diffusedly punctate, the punctures often pale brown but sometimes without color, integuments shining, not at all or scarcely alutaceous; eyes distant in both sexes
Where is Pachybrachis jacobyi found?
Range: w US (CA-TX-SD-UT) - Map
What is the life cycle of a Pachybrachis jacobyi?
reported from saltbush ( Atriplex , Chenopodiaceae) ( 4 )