Chironomus crassiforceps (Kieffer)

(Fig. 30)

Chironomus crassiforceps (Kieffer, 1916: 111–112, Fig. 19) (as Tendipes).

Chironomus daitoabeus Sasa et Suzuki, 2001b: 63, Fig. 1 a–k. [Holotype 412: 003.] Syn. nov.

Daitoyusurika daitofegea Sasa et Suzuki, 2001b: 67 –68, Fig. 6 a–k. [Holotype 412: 017.] Syn. nov. Yaesecundus iriobeceus Sasa et Suzuki, 2000: 12, Fig. 11 a–p. [Holotype 385: 051.] Syn. nov.

Chironomus daitoabeus, Daitoyusurika daitofegea, and Yaesecundus iriobeceus are considered to be junior synonyms of Chironomus crassiforceps (Kieffer) as they all have an ovoid gonostylus; long, parallel-sided inferior volsella; short, apically broadened anal point; and a short, slender, medially curved superior volsella (Fig. 30).