Key to described Multiquaestia species based on external characters

1. Terminal third of forewing in different shades of ochreous, lighter than basal two-thirds .......................................... 2

- Terminal third of forewing blackish brown, nearly as dark as basal two thirds (Fig. 15) ................. M. fibigeri n. sp.

2. Forewing with white spot near costa at three-fourths distance from base (Fig. 13)............. M. albimaculana Karisch

- Forewing without white spot near costa at three-fourths distance from base............................................................... 3

3. Thorax entirely white, except for tegulae ..................................................................................................................... 4

- Thorax marked otherwise ............................................................................................................................................. 5

4. Smaller species, wingspan 13 mm (Fig. 8)....................................................................................... M. agassizi n. sp.

- Larger species, wingspan 17 mm (Fig. 9)......................................................................................... M. dallastai n. sp.

5. Thorax white, except for tegulae, with lateral black patches....................................................................................... 6

- Thorax mainly grey, brownish or fuscous, without black lateral patches..................................................................... 7

6. Forewing with white distal triangle reaching to one-third from costa; smaller species, wingspan 10.5 mm (Fig. 14). ............................................................................................................................................................. M. andersi n. sp.

- Forewing distal white triangle reaching to near middle from costa; larger species, wingspan 13.0–13.5 mm (Fig. 7) ............................................................................................................................................................. M. skulei n. sp.

7. Forewing with basal white triangle speckled with several dark dots or striae (Fig.12) ................... M. iringana n. sp.

- Forewing with basal white triangle pure white, at most with one dark dot on dorsum................................................ 8

8. Thorax with white spot posteriorly, forewing fringes unicolorous (Fig. 11)...................................... M. purana n. sp.

- Thorax without white spot posteriorly, forewing fringes with dark bars (Fig. 10).......................... M. kingstoni n. sp.