Neptosternus sinharajaicus

Neptosternus sinharajaicus is a species of beetle.[1] Its holotype was found in Sri Lanka. The species is capable of flight, as all specimens were captured flying towards light in the evening.

Neptosternus sinharajaicus
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Suborder:
Adephaga
Family:
Dytiscidae
Genus:
Neptosternus
Species:
N. sinharajaicus
Binomial name
Neptosternus sinharajaicus
Holmen & Vazirani, 1990

Description

This species of Neptosternus is easily recognized by its dark appearance, and by the shape and position of its elytral yellow spots. It differs from Neptosternus starmuehlneri (Wewalka, 1973) in being longer and comparatively narrower, and in having the yellow markings less developed. Its length is between 3.9 and 4.0 millimetres (0.15 and 0.16 in), while its breadth is 2.1 millimetres (0.083 in). It has an elongate, oval shape, more attenuated posteriorly than anteriorly and not strongly convex dorsally. Its head is dark reddish to black, fronto-clypeal region reddish, antennae yellowish; has a fine punctation and shining, reticulate surface. Its pronotum is uniformly dark reddish to black, almost impunctate, with reticulation more impressed than on the head; an anterior submarginal row of punctures is present.[1]

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References
  1. Hendrich, L., and M. Balke. "Two new species of Neptosternus SHARP 1882 from Southern India (Coleoptera: Dytiscidae)." Linzer biologische Beiträge 31.1 (1999): 57-62.


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