Excerpt from Biologia Centrali-Americana, Vol. 4: Insecta
The Heteromen include numerous heterogeneous families of Caleoptera, which agree inter se in having their tarsi distinctly 5-, 5-, 4-jointed; and in the whole of the species here enumerated, Mophon tinctipennis, which has 4-jointed anterior tarsi in the male, is the single exception to this formula. The only other Coleoptera likely to be confounded with the Heteromera are certain members of the Cucujid? and Cryptophagid?, belonging to the Clavicorn-series, which have the hind tarsi 4-jointed in the males and 5-jointed in the females. The Heteromera comprise a greater variety of forms than any other of the main divisions of the Coleoptera, nearly all of which are, as it were, reprodeced here. As examples of this assimilation, the following genera are especially noteworthy, viz.: - Statira (Lagriid?) to various Carabid? (Agra, Calleida, &c.); Cuphotes (=Spheniscus) to Cypherotylus (Erotylid?); Doliena (Tenebrionid?) to various Cucujid?); Uroplatopsis (Lagriid?) to various Hispid? (Uroplata) and Lycid?; Calopus (?demerid?) to various Telephorid?; Nilio to various Coccinellid? and Endomychid?; Zypates (Tenebrionid?) to Epierus (Histerid?); Paratenetus (Tenebrionid?) to various Cryptophagid? (Cryptophagus and Corticaria). Probably no better cases of so-called 'mimicry,' or homochroism, can be found amongst the Coleoptera than exists between certain species of Cuphotes and Cypherotylus, and between Uroplatopsis (U. mimica) and Uroplata (U. dimidiata).
Fourteen families altogether are represented in Mexico or Central America, which are here dealt with in two volumes: the Tenebrionid?, Cistelid?, Othniid?, Nilionid?, and Monommid? in the fist; the Lagriid?, Melandryid?, Pythid?, ?demerid?. Xylophilid?, Anthicid?, Mordellid?, Rhipidophorid?, and Meloid? in the second volume.
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