Psychodidae, Newman, 1834

Canneva, Bruno, 2019, A new species of Laurenceomyia Wagner & Stuckenberg, with a key to species and new records for Psychodidae (Diptera) from Uruguay, Zootaxa 4544 (3), pp. 407-418 : 416

Key to Psychodidae species found in Uruguay

1 Eyes reniform, with extension towards midline forming eye bridge above antennal insertions......................... 2

- Eyes nearly round; eye bridge absent...................................................................... 8

2 Wing narrow, pointed, length 6–8 times width................................................... Maruina Müller

- Wing normal, lenght 2–3 times width...................................................................... 3

3 Wings held horizontally; flagellomeres nodiform, male genitalia symmetrical...................................... 4

- Wings held roof shaped; flagellomeres 1–11 flask shaped, distal flagellomeres noticeably reduced; male aedeagus asymmetrical................................................................................................. 5

4 Wing with numerous small spots; male ascoids arranged in a double row around flagellomere node; female ascoids palmate, with 4–6 branches............................................................. Paramormia furcata (Kincaid)

- Wing without spots. Female ascoids digitate; Male ascoids V-shaped................... Clogmia albipunctata (Williston)

5 Wing with apices infuscated; genital digit absent; subgenital plate V-shaped..................... Psychoda alternata Say

- Wing without infuscation; genital digit present; subgenital plate otherwise........................................ 6

6 Radial fork incomplete; subgenital plate longer than wide; internal ornamentation of subgenital plate with a semi-circular structure at the base of the genital digit, and a thin and small structure lateral to the digit......... Psychoda zetoscota Quate

- Radial fork complete; subgenital plate wider than long........................................................ 7

7 Subgenital plate internally with a pair of rosette-shaped structures....................... Psychoda savaiiensis Edwards

- Subgenital plate ending in two small lobes, leaving a semicircular ample space between them; genital digit 3.0–3.5X as long as width, and internally with a kidney-shaped genital sac..................................... Psychoda cinerea Banks

8 Radial vein with 4 branches; 1 vein between radial and medial forks; CuA2 long extending beyond level of medial fork.................................................................................. Trichomyia Haliday in Curtis

- Radial vein with 5 branches; 2 veins between radial and medial forks............................................ 9

9 R4 branching from R5; lateral extensions in the abdomen bearing ornamental setulae.... Laurenceomyia martinezae sp. nov.

- R4 branching from R2+3; withouth lateral extensions on the abdomen........................................... 10

10 Female cibarium with 4 longitudinal rows of horizontal teeth; head with complete interocular suture.................................................................................... Brumptomyia guimaraesi (Coutinho & Barreto)

- Female cibarium with 1 transverse row of horizontal teeth; head with interocular suture incomplete................... 11

11 Palpomere 4 clearly shorter than second; palpomere 5 shorter than combined lenght of 3+4; female cibarium with several rows of verticalized anterior teeth.......................................................... Nyssomyia neivai (Pinto)

- Palpomere 2 equivalent or longer than fourth; female cibarium with one row of anterior teeth........................ 12

12 Female cibarium with four posterior teeth; basal tuft of male gonocoxite with 5 setae, dorsal margin of paramere little concave......................................................................... Evandromyia cortelezzii (Brèthes)

- Female cibarium with eigth or more teeth; basal tuft of male gonocoxite with 4 setae............................... 13

13 Paramere of male with dorsal setae born in a well-developed tubercule...................................................................................................... Lutzomyia gaminarai (Cordero, Vogelsang & Cossio)

- Paramere of male with dorsal setae inserted directly on paramere, not on a well-developed tubercule........................................................................................... Lutzomyia longipalpis (Lutz & Neiva)