Drosophila seguyi, Smart, 1945

Yassin, Amir, Suwalski, Arnaud & Raveloson Ravaomanarivo, Lala H., 2019, Resolving the synonymy and polyphyly of the ‘ Drosophila bakoue species complex’ (Diptera: Drosophilidae: ‘ D. montium species group’) with descriptions of two new species from Madagascar, European Journal of Taxonomy 532, pp. 1-26: 9

publication ID

https://doi.org/10.5852/ejt.2019.532

publication LSID

lsid:zoobank.org:pub:1301752E-3FD5-4F3E-A4F3-6766D18C709A

DOI

http://doi.org/10.5281/zenodo.5696374

persistent identifier

http://treatment.plazi.org/id/03C87F64-FFA4-FF8C-8D6C-4D4BFE76A363

treatment provided by

Plazi

scientific name

Drosophila seguyi
status

 

D. seguyi   species complex’ Lachaise, 1971

Figs 1–2 View Fig View Fig , 3A View Fig , 4 View Fig , 5 View Fig E–F, 6

D. seguyi   species complex’ Lachaise, 1971: 1623.

D. bakoue   species complex’ Rafael, 1984: 179, syn. nov.

Diagnosis

Male abdominal tergites T2 to T4 yellowish with very distinct black stripes or entirely dark brown, T5 with broader stripe or completely black, T6 shiny black ( Fig. 4 View Fig ); cercal ventral lobe (secondary clasper) fused to cerci with two or three very large curved black medial teeth on the internal margin; surstylus quadrate with a lateral row of strong, short prensisetae on the outer and inner margins (with two medial prensisetae in D. chocolata   sp. nov.), the innermost one significantly long; hypandrial median process tapering; aedeagus hirsute with fine cuticular scales; posterior parameres as long as aedeagus (slightly shorter in D. chocolata   sp. nov.), with finely serrated margins ( Figs 3A View Fig , 5 View Fig ). Female abdominal tergites lighter than male’s or concolorously dark ( Fig. 4 View Fig ).

Remarks

The original ‘ D. seguyi   species complex’ was renamed ‘ D. bakoue   species complex’ without new definition or justification ( Rafael 1984). We consider here the ‘ D. bakoue   species complex’ to be a junior synonym for the ‘ D. seguyi   species complex’. Chassagnard et al. (1997) discussed a ‘ D. seguyi   species complex’ comprising D. curta   , D. seguyi   and D. seguyiana   in a table legend, but considered all these species members of the ‘ D. bakoue   species complex’ in the main text. We restrict here the ‘ D. seguyi   species complex’ to four monophyletic species, while placing D. seguyiana   in the ‘ D. tsacasi   species complex’ (see below). David et al. (2014) referred to three of these species as geographical strains of D. malagassya   with partial reproductive isolation. Closer examination of their material revealed, however, that each strain was a distinct species (namely, D. seguyi   , D. malagassya   and D. curta   ).

Taxon content

D. seguyi Smart, 1945   .

D. malagassya Tsacas & Rafael, 1982   .

D. curta Chassagnard & Tsacas, 1997   .

D. chocolata   sp. nov.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Drosophilidae

Genus

Drosophila

Loc

Drosophila seguyi

Yassin, Amir, Suwalski, Arnaud & Raveloson Ravaomanarivo, Lala H. 2019
2019
Loc

D. bakoue

Tsacas & Lachaise 1974
1974
Loc

D. seguyi

Smart 1945
1945