Australian insectsFroggatt, Walter W. (Walter Wilson)
Science
Australian insects
Froggatt, Walter W. (Walter Wilson)
Insects -- Australia
_Eutoma tinctilatum_, found about Sydney, and typical of the elongate
slender Scaritides, was described by Newman many years ago, and figured
by Westwood in his “Arcana Entomologica 1841”; it is a shining black
beetle about 8 lines in length.
_Carenum bonelli_, the commonest Sydney species of this genus, measures
about ¾ of an inch and is broad in proportion; it is black, with bright
metallic green tints on thorax and elytra.
The members of the Genus _Philoscaphus_ are short and broad, with the
elytra covered with rows of warts.
_P. tuberculatus_ has a wide range over the western country; it
measures over 1 inch in length; is black; the head and thorax are
broader than the body; the latter oval, with the elytra finely rugose.
[Illustration: =Fig. 61.=--_Euryscaphus lobicollis_
(Sloane).
The Great Ground Scaritid Beetle, found in the interior.]
The Genus _Euryscaphus_ contains the giants of the group.
_Euryscaphus titanus_, a shining black beetle, is nearly 2 inches
in length, and measures ¾ of an inch across the elytra; while _E.
lobicollis_, a smaller beetle, has the body still broader in proportion
to its size; both these and several other fine species are not uncommon
on the Western Australian goldfields about Kalgoorlie.
The allied CLIVINIDES, recently monographed by Sloane (Proc. Linn.
Soc. N.S.W. 1896) are like elongate miniature Carenums furnished with
dilated fore-legs adapted for digging; they are generally taken along
the edges of swamps and watercourses under logs or the debris on the
soft mud. They are world wide in their distribution, and are most
plentiful in the warmer portions of the globe: Australia is rich in
species: Sloane lists 55 species in his paper.
_Clivina basalis_ has a wide range over S. Australia, Victoria, and
N.S. Wales; it measures ¼ inch; is black, with the basal portion of the
elytra and the legs red.
_C. australasiae_, slightly larger, is all black; it has a similar
range, and is also recorded from New Zealand and Lord Howe Island.
The next group comprise the typical _Chlaenius_; they are rather
long-legged beetles with a small head and somewhat heart-shaped
thorax forming a slight neck behind, and with a broad, oval, convex
abdomen. They are active beetles, generally found under stones or wood
near water-holes; many of them have a greenish dull metallic tint.
_Chlaenius puncticeps_ is black, with the legs and an irregular blotch
at the apical half of each wing cover dull yellow. _C. maculifer_, from
Queensland, is smaller; _C. laeteviridis_ is dull green with the edges
of the wing covers yellow; _C. marginatus_ is a larger and brighter
green beetle with the wing covers marked with yellow in a similar
manner.
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