Aethecerinus hornii

(Lacordaire, 1869)

Horn's Aethecerinus Long-Horned Beetle

Aethecerinus hornii is a rare longhorned beetle ( Cerambycidae) to Florida scrub in Highlands and Lee counties. Described by Lacordaire in 1869, this belongs to the tribe Trachyderini, a group known for bright coloration, flower-feeding , and activity. The species is extremely restricted in range and poorly represented in collections, with only five observations documented.

Pronunciation

How to pronounce Aethecerinus hornii: /ˌaɪθɛˈsirɪnəs ˈhɔːrnaɪ/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Belongs to tribe Trachyderini, which can be distinguished from other cerambycine tribes by bright aposematic coloration, habits, and frequent association with flowers. Within Aethecerinus, A. hornii is distinguished from the more widespread A. latecinctus by geographic restriction to Florida scrub . Specific diagnostic characters for the remain undocumented in available sources.

Habitat

Florida scrub —xeric, fire-maintained shrubland characterized by sandy soils, scrub oaks, and vegetation. The has been documented exclusively in this type in central-south Florida.

Distribution

to Florida, United States. Known only from Highlands and Lee counties in the south-central portion of the peninsula.

Behavior

As a member of tribe Trachyderini, likely exhibits activity and flower-visiting typical of the group. Specific behaviors for this are undocumented.

Human Relevance

Of interest to coleopterists due to extreme rarity and restricted . No documented economic or ecological significance beyond scientific value.

Similar Taxa

Aethecerinus latecinctusThe only other in the ; more widespread in southwestern U.S. and northern Mexico. Distinguished from A. hornii primarily by geographic distribution, with range overlap apparently absent.
Other Trachyderini genera (e.g., Plionoma, Trachyderes)Share bright coloration, activity, and flower-feeding habits, but differ in body form, antennal structure, and geographic distribution.

More Details

Taxonomic history

Described by Lacordaire in 1869, with the specific epithet honoring American coleopterist George Henry Horn. The Aethecerinus remains small, containing only two recognized .

Collection rarity

With only five documented observations, this is among the most poorly known Trachyderini in North America. The restricted Florida scrub has experienced significant anthropogenic pressure, potentially threatening remaining .

Tribe characteristics

Trachyderini is one of the most diverse tribes of Cerambycinae in North America, particularly -rich in the southwestern U.S. and Mexico. The presence of A. hornii in Florida represents an unusual disjunct distribution for the tribe, which is otherwise predominantly western in North America.