. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. 364 FAMILY XI. STAPHYLINID^. KEY TO INDIANA SPECIES OF ALEOCHAEA. a. Form rather broad and stout, rarely parallel; mesostemum without trace of carina at any point b. Sixth dorsal segment of abdomen simple and subtruncate at apex in both sexes. c. Antennse stout and spindle-shaped, not reaching base of thorax, the joints strongly transverse; thorax wholly black. d. Elytra wholly black; thorax finely and spars
. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. 364 FAMILY XI. STAPHYLINID^. KEY TO INDIANA SPECIES OF ALEOCHAEA. a. Form rather broad and stout, rarely parallel; mesostemum without trace of carina at any point b. Sixth dorsal segment of abdomen simple and subtruncate at apex in both sexes. c. Antennse stout and spindle-shaped, not reaching base of thorax, the joints strongly transverse; thorax wholly black. d. Elytra wholly black; thorax finely and sparsely punctate; length mm. 693. lata. dd. Elytra in great part red; thorax coarsely and roughly punctate; length 4 mm. 694. eubrlpes. cc. Antennae more slender, reaching middle of elytra, the joints less transverse; thorax wholly black; elytra red, the base and sides narrowly black. 695. PtEUBALis. hb. Sixth dorsal segment of abdomen with a number of sharp, triangular teeth at apex in male, simple in female; thorax with sides dull red; elytra in great part red. 696. lusteioa. ail. Form more slender, linear, parallel; mesosternum carinate. c. Color in great part black or piceous; first three dorsal segments of abdomen impressed at base. /. Thorax finely and evenly punctate over its entire surface; elytra wholly piceous. 697. sculphventbis. ff. Thorax unevenly punctate, the punctures at middle of disk in two uneven rows, the space between the rows smooth. !j. Dorsal segments of abdomen ^coarsely punctate, especially so in the basal impressions; eljiira each with a large, well defined, rounded, dull yellow spot at inner angle near suture. 698. BIMACULATA. Og- Dorsal segments of abdomen finely and more densely punctate; elytra each indefinitely dull reddish at apex near suture. 699. BrPUSTTJLATA. ee. Color pale reddish-brown; first four dorsal segments of abdomen im- pressed at base. 700. tucn-iTGA. 693 (2053). Aleochaea lata Grvh., Col. Micr. Brunsv., 1S02, 186. Very stout and
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1910
