Psammoecus Latreille 1829
Creators
Description
Key to species
1. Lateral margins of pronotum without teeth; only anterior and posterior groups of small teeth present............................................................................................................................................................. 2
– Lateral margins of pronotum with various number of large or small teeth......................................... 3
2. 3 rd antennomere shorter than 2 nd; elytral rows of punctures narrower than interstices.............................................................................................................................................. lateralis (Grouvelle, 1899)
– 3 rd antennomere longer than 2 nd; elytral rows of punctures somewhat wider than interstices................................................................................................................................. longicornis Schaufuss, 1872
3. Body length 3.40-4.20 mm; lateral margins of pronotum with very small teeth; 1 st antennomere more than three times as long as 2 nd......................................................................... grandis Grouvelle, 1908
– Body length not more than 3.30 mm; lateral margins of pronotum with distinct teeth, 1 st antennomere less than three times as long as 2 nd....................................................................................................... 4
4. Interstices of lateral striae of elytra with small, distinct spines; pronotum with large lateral teeth, bases of tooth II and III connate............................................................................. spinosus Grouvelle, 1882
– Interstices of lateral striae of elytra without spines, often with tubercles; lateral teeth of pronotum always well separated.......................................................................................................................... 5
5. 1 st antennomere less than two times as long as 2 nd............................................................................... 6
– 1 st antennomere more than two times as long as 2 nd............................................................................ 8
6. 3 nd antennomere longer than 2 nd............................................................ marginicollis Grouvelle, 1908
– 3 rd antennomere as long as 2 nd............................................................................................................. 7
7. Striae on elytral disc narrower than interstices; lateral teeth of pronotum with narrow bases................................................................................................................................ personatus Grouvelle, 1919
– Striae on elytral disc wider than interstices, lateral teeth of pronotum with wide bases.............................................................................................................................................................. leleupi sp. nov.
8. Maximum pronotal width near middle (excluding lateral teeth)......................................................... 9
– Maximum pronotal width in anterior third (excluding lateral teeth)..................................................11
9. Lateral teeth of pronotum slender............................................................... hacquardi Grouvelle, 1889
– Lateral teeth of pronotum triangular, with wide bases...................................................................... 10
10. Elytral striae distinctly wider than interstices; humeral swelling, a transverse band in the middle of elytra, elytral suture along posterior two thirds and elytral apex dark; parameres short, stout, fused with basal piece................................................................................................ simoni Grouvelle, 1892
– Elytral striae slightly wider than interstices; elytra with dark, transversal band at beginning of posterior portion, sometimes with darkened suture near elytral apex; parameres spatula-shaped, distinctly separated from basal piece............................................................................... luchti sp. nov.
11. Elytrae with darkened humeral area, wide dark band across middle and darkened suture near apex; paramera slender............................................................................................ laetulus Grouvelle, 1914
– Elytrae with round macula and darkened suture near apex.............................................................. 12
12. Lateral margin of pronotum with 4 distinct teeth between small posterior tooth and anterior group of small teeth.......................................................................................... trimaculatus Motschulsky, 1858
– Lateral margin of pronotum with 5 distinct teeth between small posterior tooth and anterior group of small teeth................................................................................................... parallelus Grouvelle, 1919
Notes
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Silvanidae
- Genus
- Psammoecus
- Kingdom
- Animalia
- Order
- Coleoptera
- Phylum
- Arthropoda
- Scientific name authorship
- Latreille
- Taxon rank
- genus
- Taxonomic concept label
- Psammoecus Latreille, 1829 sec. Karner, 2012
References
- Grouvelle A. 1899. Descriptions de Clavicornes d'Afrique et de la region Malgache, 2 e memoire. Annales de la Societe Entomologique de France 68: 136 - 185.
- Grouvelle A. 1882. Cucujides nouveaux du Musee Civique de Genes. Annali del Museo civico di storia naturale Giacomo Doria 18: 275 - 296, pl. 7.
- Grouvelle A. 1919. Descriptions d'especes nouvelles du genre Psammoecus Latr. In: Memoires Entomologiques. Etudes sur les coleopteres 2: 5 - 38. Societe Entomologique de France, Paris.
- Grouvelle A. 1892. Voyage de M. E. Simon a l'ile de Luzon, Philippines (Mars et Avril 1890), 5 e memoire. Cucujides. Annales de la Societe Entomologique de France 61: 285 - 288.
- Grouvelle A. & de Peyerimhoff P. 1914. No. II. - Coleoptera: Cucujidae, Cryptophagidae: avec une description de la larve et de la nymphe de Prostominia convexiuscula Grouvelle [Cucujidae]. Transactions of the Linnean Society of London. 2 nd Series: Zoology 17: 141 - 159. http: // dx. doi. org / 10.1111 / j. 1096 - 3642.1914. tb 00591. x