Table 1 Terminologies used by different authors since Crampton, 1922 to designate different parts of the male terminalia.

Crampton, 1922¹³

Ninth sternite or Hypandrium

–

Hypovalvae, Hypandrial valves

–

–

Styli, Gonostyli, Gonopods

–

Aedeagus

Singh-Pruthi, 1925¹²

Pygofer

–

Sub-genital plates

–

–

Parameres

Perandrium

Aedeagus

Snodgrass, 1935¹⁴

–

–

-

–

–

Harpagones

Phallobase

Aedeagus

Lallemand, 1949¹¹

IXth segment

Anal tube

Genital plates

–

–

Styles

–

Penis

Kramer, 1950¹⁵

IXth segment

Anal tube

Subgenital plates

–

–

Parameres

Basal plates

Aedeagus

Marks, 1951¹⁶

IXth sternum

Anal tube

–

–

–

Gonoforceps

Basal plates

Aedeagus

Fennah, 1968⁷

Pygofer

Anal segment

Subgenital plates

–

–

Genital styles

–

Aedeagus

Hamilton and Morales, 1992³⁶

Pygofer

Anal tube

Subgenital plates

–

–

Syles

Phallobase

Aedeagus

Penis

Yang and Chang, 2000

IXth segment

IX–X segments

Genital plates

–

–

Genital styles

Phallobase

Aedeagus

Liang and Webb, 2002³

Pygofer

Anal tube

Subgenital plates

–

Lateral plates

Styles

-

Aedeagus

Liang, 2003¹⁸

Pygofer

Anal tube

Subgenital plates

–

Basal plates

Genital styles

–

Aedeagus

Carvalho and Webb, 2005⁶

Pygofer

–

Subgenital plates

–

–

Parameres

Connective

Aedeagus

Genital capsule

Soulier-Perkins and Kunz, 2012²³

Pygofer

Anal tube

Subgenital plates

–

Lateral plates

Parameres

–

Aedeagus

Liang et al. 2012¹⁹

Pygofer

Anal tube

Subgenital plates

–

Lateral plates

Genital styles

–

Aedeagus

Paladini et al. 2015²²

Pygofer

Anal tube

Subgenital plates

–

-

Parameres

–

Aedeagus

Soulier-Perkins and Le Cesne, 2016²⁴

Pygofer

Anal tube

Subgenital plates

Intermediate plates

Lateral plates

Parameres

–

Aedeagus