Revision of Ngirhaphium (Insecta: Diptera: Dolichopodidae), with the description of two new species from Singapore’s mangroves

Revision of Ngirhaphium (Insecta: Diptera: Dolichopodidae), with the description of two new species from Singapore’s mangroves
Patrick Grootaert & Jayanthi Puniamoorthy

Abstract. The type-species of Ngirhaphium Evenhuis & Grootaert, N. murphyi is re-described. Two new species are described from mangroves in Singapore: N. sivasothii, new species, and N. caeruleum, new species. A key to the three known species of the genus is given and male genitalia are illustrated. COI barcodes are provided for the three species, as well as data on distribution and phenology. Genetic distances of at least 10% suggest that the species have been genetically separated for a long time.

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