Dictis striatipes
L. Koch, 1872
Striped Spitting Spider
Dictis striatipes is a spitting in the Scytodidae, known for the "Striped Spitting Spider." The has been to regions outside its range, including Hawaii, Mexico, and Yemen. As a member of Scytodidae, it possesses the characteristic spitting ability that defines this family—immobilizing by ejecting a mixture of , , and adhesive from the . It is a species often found in human-modified environments.
Pronunciation
How to pronounce Dictis striatipes: //ˈdɪktɪs striˈæ.tɪˌpiːz//
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Identification
The striped leg pattern distinguishes Dictis striatipes from other Dictis and most other Scytodidae. The arrangement—three pairs forming a strongly curved row with the pair largest—is diagnostic for Scytodidae. The species can be separated from the widespread Scytodes thoracica by the leg striping and more tropical distribution. Examination of may be required for definitive identification.
Appearance
-sized spitting with a distinctive striped pattern on the legs, reflected in the specific epithet "striatipes" (striped foot). The body is relatively small and compact with the elevated typical of Scytodidae. The six are arranged in three pairs, a diagnostic feature of the . The is often globular with variable patterning.
Habitat
Found in tropical and subtropical regions; often in human-modified environments including buildings, gardens, and agricultural areas. The shows tendencies, having established outside its range through human transport.
Distribution
to tropical Asia, with confirmed records from India and Thailand. and established in Hawaii (USA), Mexico, and Yemen. The ' spread appears linked to human commerce and transport.
Diet
Feeds on small including and other . As a spitting spider, it immobilizes by ejecting a sticky, -laden mixture that glues prey to the substrate before approaching to deliver a venomous bite.
Behavior
Exhibits the characteristic spitting of Scytodidae: from a distance of 10–20 mm, it ejects zigzag strands of glue-coated combined with to immobilize . The often performs a characteristic swaying motion before spitting. It is a slow-moving, hunter that does not build capture webs.
Ecological Role
of small ; may help control pest in environments. Its populations may compete with fauna.
Human Relevance
in controlling household and agricultural pests in tropical regions. Its nature and introduction to new regions demonstrate its adaptability to human environments. Not considered medically significant to humans.
Similar Taxa
- Scytodes thoracicaWidespread spitting lacking leg stripes; has more uniform coloration and temperate distribution
- Other Dictis speciesRequire examination of for separation; most lack the distinct leg striping
More Details
Synanthropy and introduction
The has been documented as in multiple regions, suggesting it readily establishes in new tropical and subtropical areas through human-mediated transport.