Oxymerus aculeatus

Dupont, 1838

Oxymerus aculeatus is a to large-sized () in the tribe Trachyderini, characterized by bright coloration and activity. The was described by Dupont in 1838 and is the most widely distributed member of its exclusively Neotropical , ranging from Nicaragua and the West Indies south to Bolivia and Uruguay. Several have been described, with the nominate subspecies O. a. aculeatus occurring throughout central, eastern, and southeastern Brazil. Like most cerambycids, presumably develop in dead or dying wood, though specific plants remain undocumented. The species has been detected in Florida, raising concerns about potential establishment and economic impact as an wood-boring pest.

Oxymerus aculeatus meridionalis (15328641989) by Ben Sale from UK. Used under a CC BY 2.0 license.

Pronunciation

How to pronounce Oxymerus aculeatus: /ˌɒksɪˈmɛrəs əˌkjuːliˈeɪtəs/

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Identification

Belongs to tribe Trachyderini, distinguished by to large size, bright coloration, and habits. Within the Oxymerus, O. aculeatus is the most widespread , with distinguished by geographic distribution. The nominate subspecies O. a. aculeatus occurs in central, eastern, and southeastern Brazil. are notably long, especially in males. Specific diagnostic morphological features separating it from are not detailed in available sources.

Images

Habitat

Found resting on foliage of unidentified trees in forested areas. Larval presumed to be dead or dying wood, consistent with .

Distribution

range extends from Nicaragua and the West Indies south to Bolivia and Uruguay. O. a. aculeatus is distributed throughout central, eastern, and southeastern Brazil. Detected in southern Florida (USA) as a potential non-native establishment.

Behavior

activity pattern. observed resting on underside of foliage. Larval development presumed to occur in dead or dying wood, typical of .

Human Relevance

Detected in south Florida, raising concern from agricultural authorities about potential establishment as an pest. The Florida Department of Agriculture & Consumer Services has monitored the due to possible economic impacts as a wood-boring , though actual pest status remains unconfirmed.

Similar Taxa

Other Oxymerus speciesNine other in the Oxymerus; O. aculeatus distinguished by being the most widely distributed species
Other TrachyderiniShare general characteristics of to large size, bright coloration, and activity; distinguished by -level