Pachybrachis postfasciatus
This record describes Pachybrachis postfasciatus (species). Recorded family: Chrysomelidae. Recorded order: Coleoptera.
Identification and Appearance
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
AZ, TX, KS - Map , collected in Llano, Burnet, and San Saba Counties in central TX (T. O. Robbins, pers. comm. to MAQ, 2022)
Diet and Behavior
Life History
asso. w/ whitethorn acacia ( Vachellia (=Acacia) constricta , Fabaceae) ( 4 ) also closely asso. w/ whitebrush ( Aloysia gratissima , Verbenaceae) (T. O. Robbins, pers. comm. to MAQ, 2022)
Additional species information
Species notes from the sources
Etymology: Pachybrachis postfasciatus Fall 1915
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Pachybrachis postfasciatus. 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 postfasciatus (4)
Photo credits: Contributed by Mike Quinn
Frequently Asked Questions About Pachybrachis postfasciatus
How big is Pachybrachis postfasciatus?
Length 2.5 to 2.9 mm
Where is Pachybrachis postfasciatus found?
Range: AZ, TX, KS - Map , collected in Llano, Burnet, and San Saba Counties in central TX (T. O. Robbins, pers. comm. to MAQ, 2022)
What is the life cycle of a Pachybrachis postfasciatus?
asso. w/ whitethorn acacia ( Vachellia (=Acacia) constricta , Fabaceae) ( 4 ) also closely asso. w/ whitebrush ( Aloysia gratissima , Verbenaceae) (T. O. Robbins, pers. comm. to MAQ, 2022)