Essostrutha
Thomson, 1868
Essostrutha is a of longhorn in the Lamiinae, tribe Hemilophini. It contains two described : E. binotata (Bates, 1881) and E. laeta (Newman, 1840). The genus was established by Thomson in 1868. Members of this genus are characterized by features typical of the Hemilophini tribe, which includes many brightly colored or patterned species.
Pronunciation
How to pronounce Essostrutha: /ˌɛs.oʊˈstruː.θə/
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Identification
Essostrutha can be distinguished from other Hemilophini by specific elytral patterns and antennal proportions. E. laeta and E. binotata are separable by the presence of two distinct spots on the in E. binotata versus different patterning in E. laeta. Detailed morphological examination is required for definitive identification to species.
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Distribution
The has been recorded from Central and South America. E. laeta is known from Brazil, and E. binotata from Panama and Rica.
Similar Taxa
- Other Hemilophini generaShare the same tribe and , requiring examination of elytral pattern, pronotal shape, and antennal ratios for differentiation.
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Taxonomic History
E. laeta was originally described in the Hemilophus by Newman in 1840, later transferred to Essostrutha. E. binotata was described by Bates in 1881.