Psammoecus trimaculatus

Psammoecus trimaculatus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Superfamily:	Cucujoidea
Family:	Silvanidae
Genus:	Psammoecus
Species:	P. trimaculatus
Binomial name
	Psammoecus trimaculatus; Motschulsky, 1858
Synonyms
	Cucujus incommodusWalker, 1859; Telephanlls crucigerWaterhouse, 1876;

Last updated February 04, 2024

Psammoecus trimaculatus, is a species of silvan flat bark beetle native to Afro-Oriental region, but introduced to many parts of the world.^[1]

Distribution

In Asia, the species is recorded from India, Sri Lanka, Nepal, Bhutan, Myanmar, Japan, and Malaysia. There are some reports from New Guinea and Australia about the possibility of the species. In Africa, it can be found in Tanzania, Uganda, and South Africa, as well as Madagascar, Mauritius and Réunion.^[2] Apart from that, the beetle is found in Brazil and Italy.^[3]

Description

Average length is about 2.23 to 2.96 mm. There is a longitudinal sutural spot found on elytra. Prothorax is less transverse when compared to other closely related species. The transverse depression in front of pro thoracic base is indistinct. Lateral teeth are wide. In male, aedeagus with long gradually narrowed median lobe which get pointed at the apex.^[4] The rows of punctures on the elytra are narrow. The 9th abdominal sternite is strut Y-shaped, and elongate. Lateral sclerites elongate, membranous.^[5]

Ecology

The adults are usually found in decaying plant substrates, haystacks, under dry cut grass, and leaf garbage. They can be attracted easily for light.^[2]

Related Research Articles

The Lymexylidae, also known as ship-timber beetles, are a family of wood-boring beetles. Lymexylidae belong to the suborder Polyphaga and are the sole member of the superfamily Lymexyloidea.

Silvanidae, "silvan flat bark beetles", is a family of beetles in the superfamily Cucujoidea, consisting of 68 described genera and about 500 described species. The family is represented on all continents except Antarctica, and is most diverse at both the generic and species levels in the Old World tropics.

Oxytelus puncticeps is a species of rove beetle widely spread in Asia and Africa. It is found in China, Hong Kong, Taiwan, Japan, Philippines, Vietnam, Indonesia, Borneo, Sri Lanka, India, and Sub-Saharan Africa.

Oryzaephilus acuminatus, is a species of silvan flat bark beetle native to India and Sri Lanka.

Oryzaephilus genalis, is a species of silvan flat bark beetle native to India and Sri Lanka.

Protosilvanus granosus, is a species of silvan flat bark beetle found in India, Sri Lanka, Malaysia, Singapore, Indonesia, Philippines and Solomon Islands.

Psammoecus delicatus, is a species of silvan flat bark beetle found in India, Sri Lanka, Taiwan, Singapore, and Indonesia.

Silvanoprus cephalotes, is a species of silvan flat bark beetle found with a widespread distribution across Oriental and Papuan regions and also in the Palaearctic Far East.

Silvanoprus longicollis, is a species of silvan flat bark beetle found in India, Sri Lanka, Malaysia, Java, China, Japan, Madagascar and East Africa.

Psammoecus simoni, is a species of silvan flat bark beetle found in Taiwan, Japan, Philippines, India, Sri Lanka, Malaysia, Indonesia, Madagascar, France (Réunion), and Seychelles.

Silvanoprus distinguendus, is a species of silvan flat bark beetle native to India and Sri Lanka. It is also introduced to Belarus.

Silvanolomus denticollis, is a species of silvan flat bark beetle native to India, Sri Lanka, Sumatra and Borneo.

Silvanus difficilis, is a species of silvan flat bark beetle widespread in Oriental region. It is introduced to Australia via timber and also to Costa Rica.

Silvanus imitatus, is a species of silvan flat bark beetle found in India and Sri Lanka.

Silvanus lewisi, sometimes known as Asian silvanid beetle, is a species of silvan flat bark beetle found throughout the Oriental region and introduced to many parts of the world.

Silvanus recticollis, is a species of silvan flat bark beetle found in Afro-Oriental regions.

Adoretus bicaudatus, is a species of shining leaf chafer found in India and Sri Lanka.

Chiron cylindrus, is a species of true dung beetle widely distributed from Myanmar to Sri Lanka and towards tropical Africa.

<i>Scarabaeus gangeticus</i> Species of beetle

Scarabaeus gangeticus, is a species of dung beetle found in many Indo-African countries including; India, Sri Lanka, Pakistan, Iran, Saudi Arabia, Egypt, Botswana, Ethiopia, Somalia, Uganda and Zimbabwe.

Hybosorus orientalis, is a species of scavenger scarab beetle found in Nepal, Pakistan, India, Sri Lanka, Afghanistan, Myanmar, Sumatra, and Java.

References

↑ Karner M (2012-07-05). "A revision of African Psammoecus (Coleoptera, Silvanidae) and descriptions of two new species from the collection of the Musée royal de l'Afrique centrale". European Journal of Taxonomy (17). doi: 10.5852/ejt.2012.17 . Retrieved 2021-07-09.
1 2 Kovalev AV (2016-12-27). "New records of adventive species of Corylophidae and Silvanidae (Coleoptera: Cucujoidea) from the Western Caucasus". Zoosystematica Rossica. 25 (2): 273–276. doi:10.31610/zsr/2016.25.2.273 . Retrieved 2021-07-09.
↑ Mola L, Yoshida T (2019-05-31). "Psammoecus trimaculatus Motschulsky, 1858, new to the Italian fauna (Cucujoidea: Silvanidae)". Fragmenta Entomologica. 51: 47–50. doi: 10.4081/fe.2019.341 . Retrieved 2021-07-09.
↑ Pal TK (December 1984). "Silvanidae (Coleoptera: Clavicornia) from Southern India and Srilanka in Museum D'Histoire Naturelle De Genève". Records of the Zoological Survey of India. 81 (3–4): 339–56. doi: 10.26515/rzsi/v81/i3-4/1984/161241 . S2CID 251699592.
↑ Yoshida T, Hirowatari T (2014-04-17). "A revision of Japanese species of the genus Psammoecus Latreille (Coleoptera, Silvanidae)". ZooKeys (403): 15–45. Bibcode:2014ZooK..403...15T. doi: 10.3897/zookeys.403.7145 . PMC 4023238 . PMID 24843265.

This Silvanidae-related article is a stub. You can help Wikipedia by expanding it.

This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.

[1] Karner M (2012-07-05). "A revision of African Psammoecus (Coleoptera, Silvanidae) and descriptions of two new species from the collection of the Musée royal de l'Afrique centrale". European Journal of Taxonomy (17). doi: 10.5852/ejt.2012.17 . Retrieved 2021-07-09.

[New-2] 1 2 Kovalev AV (2016-12-27). "New records of adventive species of Corylophidae and Silvanidae (Coleoptera: Cucujoidea) from the Western Caucasus". Zoosystematica Rossica. 25 (2): 273–276. doi:10.31610/zsr/2016.25.2.273 . Retrieved 2021-07-09.

[3] Mola L, Yoshida T (2019-05-31). "Psammoecus trimaculatus Motschulsky, 1858, new to the Italian fauna (Cucujoidea: Silvanidae)". Fragmenta Entomologica. 51: 47–50. doi: 10.4081/fe.2019.341 . Retrieved 2021-07-09.

[4] Pal TK (December 1984). "Silvanidae (Coleoptera: Clavicornia) from Southern India and Srilanka in Museum D'Histoire Naturelle De Genève". Records of the Zoological Survey of India. 81 (3–4): 339–56. doi: 10.26515/rzsi/v81/i3-4/1984/161241 . S2CID 251699592.

[5] Yoshida T, Hirowatari T (2014-04-17). "A revision of Japanese species of the genus Psammoecus Latreille (Coleoptera, Silvanidae)". ZooKeys (403): 15–45. Bibcode:2014ZooK..403...15T. doi: 10.3897/zookeys.403.7145 . PMC 4023238 . PMID 24843265.

[1]

[2]

[3]

[4]

[5]