The Phortica Sensu Stricto (Insecta: Diptera: Drosophilidae) From Malaysia Author Chen, Hong-Wei Author Toda, Masanori J. Author Lakim, Maklarin B. Author Mohamed, Maryati B. text Raffles Bulletin of Zoology 2007 2007-02-28 55 1 23 41 journal article 10.5281/zenodo.5333042 2345-7600 5333042 Key to the species of the subgenus Phortica from Malaysia 1. Interfrontal setae thick and dense; additional plate between cerci and 10th sternite absent; paramere rod-shaped, basally mostly projected and with a few sensilla, apically usually knobbed (the foliiseta species-complex) ..................................................... 2 – Interfrontal setae thin and rare; additional plate between cerci and 10th sternite present; paramere apically with a few sensilla ............................................................................................... 3 2. Surstylus with only 2–3 prensisetae; vertical process of gonopods nearly entirely sclerotized apically; aedeagal outer membrane with minute warts .......... P . ( P .) nigrifoliiseta (Takada et al.) – Surstylus with ca. 11 prensisetae; vertical process of gonopods slightly sclerotized; aedeagal outer membrane with numerous, weakly sclerotized, small triangle processes ............................ .................................................. P . ( P .) tanabei Chen & Toda 3. Surstylus with strong spine(s); additional plate between cerci and 10th sternite lacking pubescence, separated from 10th sternite (the magna species-complex) ...................................... ............................... P . ( P .) alpha Chen & Toda , new species – Surstylus without strong spine; additional plate between cerci and 10th sternite pubescent, and connected to 10th sternite.... ............................................................................................... 4 4. Paramere deeply bifurcated from base (the omega speciescomlpex); male sixth tergite with single prickly projection curved anteriod at anteroventral corner; lateral process of paramere narrower than and ca. 2/3 as long as apical one, apically with 1 sensillum and 1 black spine ...................................................... ..................................... P . ( P .) ni Chen & Toda, new species – Paramere not bifurcated from base ....................................... 5 5. Paramere tripartite distally .................................................... 6 – Paramere not tripartite distally ........................................... 13 6. Paramere: basal process with tooth or sensillum; median process tongue- or finger-shaped, without tooth or sensillum .......... 7 – Paramere: basal process tongue- or finger-shaped; median process apically with tooth and sensillum ............................ 9 7. Aedeagal median rod lacking projections ................................ ................................ P . ( P .) gombakana (Takada & Momma) – Aedeagal median rod with apically pointed projection(s) ... 8 8. Aedeagal median rod subapically and submedially with 1 pair of small and 1 pair of long, apically bifurcated projections, respectively ................................. P . ( P .) jamilii , new species – Aedeagal median rod submedially with 2 pairs of apically unbifurcated projections ............................................................ ................................. P . ( P .) liewi Chen & Toda , new species 9. Vertical process of gonopods broad, largely membranous except for medial and lateral, strongly sclerotized portions; aedeagal ventral bridge strongly sclerotized, elongated to tip of aedeagal median rod, pointed apically, with large branch submedially .. ................... P . ( P .) membranifera Chen & Toda , new species – Vertical process of gonopods basally to submedially narrow and evenly sclerotized ................................................................ 10 10. Aedeagal basal bridge with somewhat triangular flap acutely pointed only anterodorsally ...................................................... ........................... P . ( P .) expansa Chen & Toda , new species – Aedeagal basal bridge with flap acutely pointed antero- and mediodorsally ...................................................................... 11 11. Aedeagal median rod with subbasal process ............................ ....................... P . ( P .) pasohensis Chen & Toda , new species – Aedeagal median rod with submedial process ................... 12 12. Aedeagal basal bridge with long, sclerotized, apically pointed projection anteroventrally; ventral bridge apically somewhat truncate ....... P . ( P .) kinabalensis Chen & Toda , new species – Aedeagal basal bridge without long projection anteroventrally; ventral bridge apically largely bifurcated ................................. ............................ P. ( P .) palmata Chen & Toda , new species 13. Anepisternum lacking setulae; paramere lacking pubescence; aedeagal median rod apically with distinct asymmetric bifurcation, subapically expanded and with minute warts on surface ................. P . ( P .) epsilon Chen & Toda , new species – Anepisternum with setulae ................................................. 14 14. Paramere medially not expanded, distally pubescent; aedeagal median rod with knot subapically; anterior branch of aedeagal basal bridge with ca. 10 acute projections along margin ......... ....................... P . ( P .) lanuginosa Chen & Toda , new species – Paramere medially much expanded, submedially pubescent; aedeagal median rod much expanded subapically; aedeagal basal bridge without small acute projections ..................................... .................................. P . ( P .) zeta Chen & Toda , new species