Veronicellidae: Belocaulus angustipes




Belocaulus angustipes Heynemann, 1885

Common Name

Black-velvet leatherleaf, Paraguayan black-velvet leatherleaf


This slug can measure up to 55 mm when fully extended. It is jet black in color with similarly colored tentacles. There is a pale, inconspicuous tan stripe down the center of the back, which may not be visible. The mantle extends over the entire length of the body. The dorsal surface of the mantle may appear velvety or wrinkled. The pneumostome (breathing pore) and anus is located posteriorly. The foot appears tripartite because the mantle of this species has black flecks along the margins.

Native Range

South America


North America:

  • U.S.: Alabama, Florida, Louisiana, Mississippi

South America


This nocturnal pest species consumes a wide variety of plants. It can inhabit greenhouses, grassy fields and nurseries. It is also known to be an intermediate host for the nematode Angiostrongylus costaricensis, causative agent of the rat lung disease, oesinophilic meningoencephalitis. It is commonly found in St. Augustine grass. This species can live up to 5 years.


  • Veronicella ameghini Gambetta


Neck 1976; Thome 1989; Walls 2009

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