Semiotus ligneus

Semiotus ligneus is a species of click beetle from Central and South America.^[1]

Semiotus ligneus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Infraorder:	Elateriformia
Family:	Elateridae
Genus:	Semiotus
Species:	S. ligneus
Binomial name
Semiotus ligneus (Linnaeus, 1763)
Synonyms [1][2]
Elater ligneus Linnaeus, 1763 Elater lignarius Fabricius, 1792 Elater conicus Voet, 1806 Pericalle ligneus (Linnaeus, 1763) Pericallus ligneus (Linnaeus, 1763)

It grows to a total length of 15–44 millimetres (0.6–1.7 in),^[1] and is 3.7–4.2 times as long as it is wide.^[2] The larvae are 27 mm (1.1 in) long.^[2] It closely resembles seed sheaths, which provides it with effective camouflage.^[3]

S. ligneus is the most frequently collected species in the genus Semiotus.^[2] Its closest relative is Semiotus serraticornis.^[2]

References

1. Maria Helena Parreira & Sônia A. Casari (2004). "Morphology of three Brazilian species of Semiotus (Coleoptera, Elateridae, Semiotinae)" (PDF). Iheringia. Zoology. 94 (3): 285–294. doi:10.1590/S0073-47212004000300011.
2. Samuel A. Wells (2007). "Revision of the Neotropical click beetle genus Semiotus Eschscholtz (Coleoptera: Elateridae)" (PDF). Contributions in Science. 514. Natural History Museum of Los Angeles County: 1–114. doi:10.5962/p.214393.
3. Mary Blair Beebe, C. William Beebe (1910). "A gold mine in the wilderness". Our Search for a Wilderness. An account of two ornithological expeditions to Venezuela and to British Guiana. Henry Holt and Company. pp. 165–213.