''Leptaulax bicolor'' is a

beetle Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 describ ...

of the Family

Passalidae Passalidae is a family of beetles known variously as "bessbugs", "bess beetles", "betsy beetles" or "horned passalus beetles". Nearly all of the 500-odd species are tropical; species found in North America are notable for their size, ranging from ...

found throughout Australia, Cambodia, Eastern Himalayas, India, Indonesia: Borneo, Java, Moluccas, Sulawesi, Sumatra; Laos, Malaysia, Myanmar, New Guinea, Philippines, Sri Lanka, Thailand and Vietnam.

Description

Parietal ridge extending to supraorbital ridge. The anterior marginal groove of pronotum is more pronounced and broader. Body consists with many large, distinct punctures. Hypostomal process without longitudinal groove on ventrum.

Synonyms

There are several synonyms assigned to the species due to widespread distribution and similarity with other related species. * ''Leptaulacides analis'' Zang, 1906 * ''Leptaulacides anaulax'' Zang, 1905 * ''Leptaulacides andamanarum'' Zang, 1905 * ''Leptaulacides fruhstorferi'' Zang, 1905 * ''Leptaulacides nietneri'' Zang, 1905 * ''Leptaulacides palawanicus'' Zang, 1905 * ''Leptaulacides papuanus'' Zang, 1906 * ''Leptaulacides rugulosus'' Zang, 1905 * ''Leptaulax abdominisculptus'' Kuwert, 1891 * ''Leptaulax aurivillii'' Kuwert, 1891 * ''Leptaulax batchianae'' Kuwert, 1891 * ''Leptaulax calcuttae'' Kuwert, 1891 * ''Leptaulax cicatricosus'' Kuwert, 1891 * ''Leptaulax consequens'' Kuwert, 1891 * ''Leptaulax differentispina'' Kuwert, 1891 * ''Leptaulax dindigalensis'' Kuwert, 1898 * ''Leptaulax divaricatus'' Kuwert, 1898 * ''Leptaulax evidens'' Kuwert, 1898 * ''Leptaulax formosanus'' Doesburg, 1942 * ''Leptaulax geminus'' Kuwert, 1898 * ''Leptaulax hansemanni'' Kuwert, 1898 * ''Leptaulax incipiens'' Kuwert, 1891 * ''Leptaulax malaccae'' Kuwert, 1891 * ''Leptaulax manillae'' Kuwert, 1891 * ''Leptaulax maxillonotus'' Kuwert, 1891 * ''Leptaulax medius'' Kuwert, 1891 * ''Leptaulax morator'' Kuwert, 1898 * ''Leptaulax niae'' Kuwert, 1898 * ''Leptaulax novaeguineae'' Kuwert, 1891 * ''Leptaulax obtusidens'' Kuwert, 1891 * ''Leptaulax roepstorfi'' Kuwert, 1898 * ''Leptaulax separandus'' Kuwert, 1891 * ''Leptaulax sequens'' Kuwert, 1898 * ''Leptaulax subconsequens'' Kuwert, 1891 * ''Leptaulax sumatrae'' Kuwert, 1898 * ''Leptaulax tenesserimensis'' Kuwert, 1898 * ''Passalus innocuus'' Dejean, 1837 * ''Passalus vicinus'' Percheron, 1844 * ''Passalus bicolor'' Fabricius, 1801

References

Passalidae {{Passalidae-stub