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Table 2 Key to sand fly species in Sri Lanka based on male morphology

From: Morphological identification keys for adults of sand flies (Diptera: Psychodidae) in Sri Lanka

Style with 4 or 5 spines; not all spines terminal (Fig. 1b)

Genus Phlebotomus Loew, 1845

Style with 4–5 spines, usually terminal; if not all spines terminal, 2 spines terminal and 2 sub-terminal, often in pairs (Fig. 1g)

Genus Sergentomyia (Franca & Parrot, 1920)

Genus Phlebotomus

1a

Paramere with 2 long dorsal processes; style long, with 5 short spines (Fig. 4f)

P. (Phlebotomus) salehi Mesghali, 1965

1b

Paramere without processes or with short ventral processes; style long or short, with long spines (Fig. 2c, d)

2a

2a

Parameres tri-lobed. Style with 4 spines (Fig. 2d)

P. (Anaphlebotomus) stantoni (Newstead, 1914)

2b

Parameres with 2 ventral processes; style with 5 spines, rarely 6 spines (Fig. 2c)

3a

[P. (Euphlebotomus) argentipes Annandale & Brunetti, in Annandale, 1908 (sensu lato)]

3a

Gonocoxite: gonostyle ratio < 1.5

P. (Euphlebotomus) glaucus Mitra & Roy, 1953

3b

Gonocoxite: gonostyle ratio > 1.5

4a

4a

Gonocoxite: gonostyle ratio > 1.65

P. (Euphlebotomus) argentipes Annandale & Brunetti, 1908 (sensu stricto)

4b

Gonocoxite: gonostyle ratio > 1.75

(Euphlebotomus) annandalei Sinton, 1923

Genus Sergentomyia

1a

Aedeagus thick, finger-shaped (Fig. 2e)

2a

[subgenus Sergentomyia]

1b

Aedeagus gradually tapering to the end (Fig. 2f)

4a

2a

Style with 2 terminal and 2 subterminal spines (Fig. 4g); cibarial teeth not uniform in size

S. (Sergentomyia) dentata (Sinton, 1933)

2b

Style with 4 terminal spines and no subterminal spines (Fig. 2g); cibarial teeth uniform in size

3a

3a

Cibarial teeth arranged in 2 rows

S. (Sergentomyia) pondicherriensis Srinivasan & Jambulingam, 2010

3b

Cibarial teeth arranged in a single row

S. (Sergentomyia) punjabensis (Sinton, 1927)

4a

Genital filaments with dilated ends; A3 without ascoid

5a

[subgenus Grassomyia]

4b

Genital filaments with narrow ends (Fig. 2h); A3 with one ascoid

6a

5a

Paramere with rounded end (Fig. 4h)

S. (Grassomyia) indica (Theodor, 1931)

5b

Paramere with hooked end (Fig. 4i)

S. (Grassomyia) dreyfussi Parrot, 1933

6a

Paramere with hairy ventral tubercles (Fig. 2i)

7a

[subgenus Neophlebotomus]

6b

Paramere without ventral tubercles (Fig. 2j)

9a

[subgenus Parrotomyia]

7a

Aedeagus length c.10 times mid-width of shaft (Fig. 2k)

S. (Neophlebotomus) arboris (Sinton, 1931)

7b

Aedeagus length c.5 times mid-width of shaft

8a

8a

Outer hairs of the coxite evenly spaced

S. (Neophlebotomus) malayae (Lewis, 1957)

8b

Outer hairs of the coxite not evenly spaced, some of the hairs concentrated (Fig. 2l)

S. (Neophlebotomus) zeylanica (Annandale, 1910)

9a

Style c.4 times as long as thick; all spines on style

S. (Parrotomyia) barraudi (Sinton, 1929)

9b

Style 5 or 6 times as long as thick; spines on style not always apical

10a

10a

Cibarial fore teeth well developed

S. (Parrotomyia) grekovi (Khodukin, 1929)

10b

Cibarial fore teeth not well developed

11a

11a

Antennal segment 3 > 0.25 mm in length

S. (Parrotomyia) rudnicki Lewis, 1978

11b

Antenna segment 3 < 0.20 mm in length

S. (Parrotomyia) babu insularis (Theodor, 1938)