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[Brugia malayi] [Brugia timori] [Dirofilaria spp.] [Loa loa] [Mansonella ozzardi] [Mansonella perstans] [Mansonella streptocerca] [Onchocerca volvulus] [Wuchereria bancrofti]

Microfilariae of Brugia malayi are sheathed and in stained blood smears measure 175-230 µm.  In 2% formalin they are longer, measuring 240-300 µm. The tail is tapered, with a significant gap between the terminal and subterminal nuclei.  Microfilaria circulate in the blood.

A	B

A: Microfilaria of B. malayi in a thick blood smear, stained with Giemsa.
B: Microfilaria of B. malayi in a thin blood smear, stained with Giemsa.