Cardiofilaria pavlovskyi Ström, 1937

Two specimens (males) were collected from the air sacs of two birds.

L o c a l i t y: Kyiv Region, near Kyiv.

Description of 2 males. Nematodes of small size. Body cylindrical, slightly narrowing to anterior and posterior extremities (fig. 2, A), 6,431 –7,485 long. Body width 110–115 at level of posterior edge of oesophagus. Maximum body width 143–165 near middle of body. Cuticle smooth. Mouth small, dorso-ventrally elongated in studied specimens. On anterior extremity, 4 pairs of papillae in two circles and lateral amphids (fig. 2, B, D). Distinct cuticular ring surrounding buccal cavity. Oesophagus divided into muscular and glandular parts, border between parts indistinct. Muscular part of oesophagus 48–51 long, glandular part 355–377 long. Nerve ring in first quarter of glandular part of oesophagus, 127–136 from anterior extremity. Spicules subequal and slightly dissimilar (fig. 2, C). Left spicule 75–81 long, right spicule 60–65 long. Tail short and blunt, 69–76 long.