Lycomorpha

Harris, 1839

black-and-yellow lichen moths

Species Guides

Lycomorpha desertus
Lycomorpha fulgens
Lycomorpha grotei(Grote's lycomorpha moth)
Lycomorpha pholus(black-and-yellow lichen moth)
Lycomorpha regulus
Lycomorpha splendens

Lycomorpha is a of lichen moths in the Erebidae, established by Thaddeus William Harris in 1839. The genus comprises six described distributed primarily in North America, with some species extending into the Neotropics. Members are known for their striking black-and-yellow or black-and-orange coloration and their participation in Müllerian mimicry complexes with net-winged beetles (family Lycidae). The best-studied species, L. pholus, is exclusively and retains functional hearing despite isolation from bat .

Lycomorpha pholus by (c) Aaron Carlson, some rights reserved (CC BY), uploaded by Aaron Carlson. Used under a CC-BY license.

Lycomorpha grotei by (c) Sue Carnahan, some rights reserved (CC BY), uploaded by Sue Carnahan. Used under a CC-BY license.

Lycomorpha by no rights reserved, uploaded by Kent McFarland. Used under a CC0 license.

Pronunciation

How to pronounce Lycomorpha: /laɪkoʊˈmɔrfə/

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

Identification

Lycomorpha are distinguished from superficially similar in other by their lichen moth combined with warning coloration patterns. L. pholus specifically differs from the unrelated Pyromorpha dimidiata (Zygaenidae) by lacking the black hind margin on the forewing and by its later in late summer rather than earlier in the season. The can be confused with net-winged beetles (Calopteron and related genera in Lycidae) due to convergent black-and-orange or black-and-yellow aposematic coloration; close examination reveals lepidopteran versus coleopteran wing structure and form.

Images

Distribution

North America, with some extending into the Neotropics. Documented occurrences include the United States (Vermont, Missouri) and broader Neotropical regions.

Seasonality

of L. pholus appear in late summer; other ' not specified in available sources.

Behavior

Members of this participate in Müllerian mimicry complexes involving net-winged beetles ( Lycidae), particularly such as Calopteron terminale. L. pholus is exclusively and, despite this, retains auditory sensitivity to ultrasound and exhibits evasive responses when stimulated, though it does not produce sounds in response to ultrasound. The ears are considered functionally for bat detection but may serve short-distance social communication.

Similar Taxa

Pyromorpha dimidiataSimilar black-and-yellow warning coloration and shared participation in lycid mimicry complexes; distinguished by black hind margin on forewing and earlier seasonal activity
Calopteron terminale and other LycidaeConvergent black-and-orange aposematic coloration in Müllerian mimicry association; beetles distinguished by structure and

More Details

Mimicry complex participation

Lycomorpha , particularly L. pholus, are part of a Müllerian mimicry ring centered on net-winged beetles (Lycidae). Unlike some mimics in this complex, L. pholus is itself chemically defended, though the specific compounds have not been characterized in available sources.

Auditory system evolution

L. pholus provides an important case study in sensory system evolution: as an exclusively isolated from bat , it retains hearing capabilities that appear functionally redundant for detection, suggesting maintenance for alternative functions such as intraspecific communication.