While the province has more than 158 species of freshwater fish, it's these top picks that lure the most anglers. When snails are faced with difficult living conditions, they react by sealing the opening of their shells with a mucus sheet (known as an operculum), which soon hardens to a leathery texture. The spiny oak-slug moth, like other slug caterpillar moths, has a chunky, fuzzy body with wide, rounded wings. The thin, clear, sticky mucus of this slug often becomes a milky white when it is harasse… Slugs and snails are known as gastropods, which means "stomach foot." Generally, … Slugs have two populations: one that is active in the spring and the other in the fall. Due to their painful bite, this species is also called ‘asp’ caterpillars as their bite can be as painful as a snake’s one. It will tighten into a ball and start wobbling side to side, very slowly. High risk factors for slugs include: wet years following mild winters, weedy, trashy areas, clovers or legumes nearby, thick straw mulch and vigorous leaf canopies. Invasive snails, such as the channeled apple snail (Pomacea canaliculata), Chinese mysterysnail (Cipangopaludina chinensis), New Zealand mudsnail (Potamopyrhus antipodarum) and the banded mysterysnail (Viviparus georgianus) are all non-native to North America, besides the latter which is native to eastern and southern Florida. Phylogenetic analyses of COI haplotypes from both Ambigolimax species and six … At 851 species, it is our most diverse group of organisms identified. Smooth Caterpillars: Yellow … Each of the two populations have one generation per year, each with a 9- 12 month lifespan. Binding : Softcover : Description : iv, 168p. They are both similar in structure, except that the snail is protected by a hard shell that makes it less vulnerable than slugs to dry conditions and the sun. Slug radulae and jaws were examined and are figured, but were not diagnostic to species. Have rasping mouth-parts. This species can easily be confused with Deroceras agreste. A slime-glistening trail is left on fruit and leaves. Follow all label directions and warnings carefully. Slug Species of North America. Skip to content. It can also be grey or brown, has a furrowed back, and often has a rusty orange edge to its foot. The Ontario Moth Atlas currently has approximately 62,000 records mapped from seven families. Note the different form of the slugs' body and the respiratory hole situated in the front part of the Arion's mantle shield! Every caterpillar species have specific plants they like to feed on called the "host plant", so knowing the name of the host plant that the caterpillar is on can often help with identifying the critter. Most slugs, however, aren’t native to North America and were accidentally introduced, which is why there are so many varieties of this prolific garden pest. Check fruit and foliage for slugs when dew is present (early morning, late evening) or on rainy days. The name of ‘puss caterpillar’ comes from the fact that they look like tiny Persian cats. Terrestrial Molluscs of Kawartha Lakes Region, Canada: Land Snail and Slug Habitat Specifications and Invasive Species (A Review of the Literature) — 2/3 are present (and likely prevalent) in Southern Ontario… They are both similar in structure, except that the snail is protected by a hard shell that makes it less vulnerable than slugs to dry conditions and the sun. Invasive snails include a variety of gastropods invasive to areas of North America. None of the species of hammerhead worm have been evaluated for the IUCN Red List, but there's no evidence their numbers are threatened. Arion, Deroceras, Helix and Limax species. Most species of slugs eat organic materials, including leaves, lichens, decaying plant material, and mushrooms. But the characteristic white stripe along … Two visitors to our site, Candice Talbot and Andrew Bendall, have compiled a list of our moths, and what an impressive list it is! The mantle has concentric striations and usually covers more than one-third the length of the slug. Polychrotidae Family. Check weeds and legumes for leaf shredding caused by slugs. The mantle is oval in shape with fine concentric striations without spots or blotches. Moisture and mulch encourage slugs and snails to multiply. 2003) The .gov means it’s official. This species has the potential to become a garden pest as it consumes living and dead plant material. Know-How to Get Rid of Garden Slug, 10 ways to control slugs naturally. So, before picking up an exotic looking caterpillar, you should identify the species to see if it is a stinging kind.
2020 ontario slug species