Dasineura, Rondani, 1840

Carvalho-Fernandes, Valéria Cid Maia and Sheila Patrícia, 2025, Two new species of Dasineura (Diptera: Cecidomyiidae) from the Neotropics and new morphological data on Dasineura tavaresi, Zoologia (e 24033) 42, pp. 1-16 : 12-14

Key to Brazilian species of Dasineura

1. Palpus four-segmented .................................................. 2

1’. Palpus with fewer than four segments ........................ 7

2. Female 8 th tergite longitudinally divided .................... 3

2’. Female 8 th tergite entire ................................................ 8

3. Pupa: 2 nd –8 th abdominal segments with dorsal spines... 4

3’. Pupa: abdominal segments 2 nd –8 th without dorsal spines ............................................................................... 5

4. Male aedeagus clearly truncate at apex, pupa: cephalic setae very long (0.20–0.25 mm), prothoracic spiracle long (0.21–0.26 mm), larva: prothoracic spatula without prominent teeth ....... Dasineura capsicicola sp. nov.

4’. Male aedeagus slightly truncate at apex, pupa: cephalic setae not so long (0.12–0.17 mm), prothoracic spiracle relatively reduced (0.10–0.16 mm), larva: prothoracic spatula with two prominent teeth........................ ................................... Dasineura microstachysae sp. nov.

5. Male aedeagus not truncate at apex, pupa: cephalic setae short (0.05–0.10 mm), prothoracic spiracle short (0.04–0.06 mm) ............................................................... 6

5’. Male aedeagus not truncate at apex, pupa: cephalic setae long (0.10–0.17 mm), prothoracic spiracle relatively reduced (0.10–0.16 mm)....... Dasineura couepiae

6. Pupa: full complement of lower and lateral facial papillae .................................................. Dasineura gigantea

6’. Pupa: lower and lateral facial papillae absent ............. ........................................................ Dasineura marginalis

7. Eyes separated at vertex, male aedeagus truncate at apex, pupa: lower facial papillae absent, prothoracic spiracle long (0.21–0.26 mm), 2 nd –8 th abdominal segments without dorsal spines, larva: spatula with proportion teeth/stalk 1/2–1/3.5, three pairs of setose terminal papillae.............................. Dasineura byrsonimae

7’. Eyes not separated at vertex, male aedeagus not truncate at apex, pupa: full complement of lower facial papillae, prothoracic spiracle relatively reduced (0.10–0.16 mm), 2 nd –8 th abdominal segments with dorsal spines, larva: spatula with proportion teeth/stalk 1/8–1/9, four pairs of setose terminal papillae .............. .............................................................. Dasineura occulta

8. Female: antennal flagellomeres with long neck, cerci separate.......................................... Dasineura ovalifoliae

8’. Female: antennal flagellomeres with short neck, cerci fused ................................................................................ 9

9. Eyes contiguous at vertex.................. Dasineura globosa

9’. Eyes separated at vertex .............................................. 10

10. Female: antenna with 22 flagellomeres, larva: prothoracic spatula with apical teeth close to each oth- er, lateral papillae reduced in number (two papillae on each side), terminal papillae reduced in number (three pairs) .......................... Dasineura copacabanensis

10’. Female: antenna with 13–14 flagellomeres, larva: prothoracic spatula with apical teeth apart from each other, full complement lateral papillae (two groups of three papillae on each side), full complement of terminal papillae (four pairs) .......................................... 11

11. Larva: prothoracic spatula with anterior teeth pointed apically, teeth slender, proportion teeth/stalk 1/4–1/6. ........................................................ Dasineura myrciariae

11’. Larva: prothoracic spatula with anterior teeth round- ed apically, teeth wide, proportion teeth/stalk: 1/2– 1/3.5 ..................................................... Dasineura tavaresi