Neptosternus starmuehlneri

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Neptosternus starmuehlneri
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Suborder:
Adephaga
Superfamily:
Dytiscoidea
Family:
Dytiscidae
Genus:
Neptosternus
Species:
N. starmuehlneri
Binomial name
Neptosternus starmuehlneri
Wewalka, 1973

Neptosternus starmuehlneri, is a species of predaceous diving beetle found in Sri Lanka. [1] [2]

Description

This oval moderately convex, larger species has a typical length of about 3.5 to 3.7 mm. Dorsal surface shiny. Head and pronotum testaceous. Anterior and posterior margin of the pronotum broadly dark brown. Pronotum yellowish with anterior and posterior margins dark brown. Pronotum yellowish with some darkened areas along anterior and posterior margins. There is no any lateral yellow margin which is found in other similar species. Elytron with a separate median presuturai yellow spot. This spot rarely connects with subbasal or apical spots. [3] Pronotum transverse, and slightly convex. Elytra little convex, and punctation very fine. Elytra dark brown with four testaceous spots. There is a long transverse spot located behind the elytral base. With that spot, there is an irregular anterior margin, two median spots, and a triangular one at the margin. A big triangular apical spot is present. Head, anteriorly widely rounded, with fine microreticulation and sparse, fine punctuation. Ventrum microreticulated finely, testaceous, with darker epipleura. Legs testaceous. [4]

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References

  1. ↑ "Neptosternus starmuehlneri Wewalka, 1973". www.gbif.org. Retrieved 2021-08-08.
  2. ↑ "Two new species of Neptosternus SHARP 1882 from Southern India (Coleoptera: Dytiscidae)" (PDF). Linzer biol. Beitr. 31/1 57–62 30.7.1999. Retrieved 2021-08-06.
  3. ↑ "Notes on the genera Neptosternus SHARP and Copelatus ERICHSON from Sri Lanka and India with the description of new species (Coleoptera: Dytiscidae)" (PDF). Koleopterologische Rundschau 60 19–31 Wien, 199Ö. Retrieved 2021-08-06.
  4. ↑ "Results of the austrian-ceylonese hydrobiological mission 1970" (PDF). Bull. Fish. Res. Stn, Sri Lanka (Ceylon), Vol. 24, Nos.l & 2-pp. 83-87s 1973. Retrieved 2021-08-07.


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