Key: Step 292. Chironomini 189

292a. Cephalic tubercles short, usually less than 50µm long. Thorax with a short patch of granules near suture, which may be extended along the suture as a narrow band. Conjunctives with a black mark laterally.

Step 293. Chironomini 190 Phaenopsectra

292b. Cephalic tubercles longer, usually about 100µm long. Thorax with a narrow band of small granules along the suture. Conjunctives unmarked laterally.

(The following separation must be considered tentative and only for exuviae over 7.5mm long.)

Step 294. Chironomini 191 Sergentia
Decision path