Ptyoiulus impressus
This record describes Ptyoiulus impressus (species). Recorded family: Parajulidae. Recorded order: Julida.
Identification and Appearance
Male gonopod with a laminate, serrate calyx at the tip of the anterior coxal process
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Diplopoda
- Order
- Julida
- Family
- Parajulidae
- Tribe
- Aniulini
- Genus
- Ptyoiulus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
e NA (QC‒FL to WI‒AR) ‒range larger than in P. montanus
Seasonal Activity
Mature adults most easily found during the fall
Additional species information
Species notes from the sources
Etymology: Ptyoiulus impressus (Say 1821)
About Julida: the wider group
Order-level background for Julida, the group containing Ptyoiulus impressus. Species-specific details appear above.
Group overview
Julida is the largest millipede order in temperate regions with ~750 described species. The spotted snake millipede (Blaniulus guttulatus) is a common garden species across Europe and North America.
Ecological role of the group
Julid millipedes are critical soil engineers that fragment leaf litter and mix organic material into deeper soil layers. They consume their own fecal pellets (coprophagy) to extract maximum nutrients from plant material.
Economic and practical significance of the group
Some Julida species are significant agricultural pests - the spotted snake millipede damages strawberries, sugar beet, potatoes, and other root crops by feeding on seeds and seedlings.
Recorded sources for this group: Agricultural entomology, soil ecology research. Imported estimates may describe particular regions or reporting periods.
Photos of Ptyoiulus impressus (5)
Photo credits: Contributed by Derek Hennen; Additional contributions by v belov
Frequently Asked Questions About Ptyoiulus impressus
What is Ptyoiulus impressus?
Ptyoiulus impressus is a species in the family Parajulidae, within the order Julida.
How do you identify Ptyoiulus impressus?
Male gonopod with a laminate, serrate calyx at the tip of the anterior coxal process
Where is Ptyoiulus impressus found?
Range: e NA (QC‒FL to WI‒AR) ‒range larger than in P. montanus
When is Ptyoiulus impressus active?
Ptyoiulus impressus: seasonal activity - Mature adults most easily found during the fall.