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Abstract:
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The first survey of the water bug fauna of Langkawi Island, Malaysia, yielded 55 species (five of
which were identified only to the genus level) inhabiting various freshwater habitats, mangroves, and sea
shores and belonging to 31 genera and eleven families; 17 species of ten genera from seven families belong
to Nepomorpha, 38 species of 21 genera from four families to Gerromorpha. Three species are newly
described here: Hydrotrephes langkawicus, new species (Helotrephidae), Strongylovelia narusei, new
species, and Microvelia (Picaultia) minutissima, new species (both Veliidae). These new Veliidae have a
more wide distribution than only in Langkawi Island: Strongylovelia narusei, new species is also known
from Terengganu in peninsular Malaysia, and Microvelia (Picaultia) minutissima, new species is known
from Selangor in peninsular Malaysia and from Singapore. Another nine species are recorded from Malaysia
for the first time. |