TABLE 2 in Two new species of Diamesinae (Diptera: Chironomidae) from the Central Iranian Range and Elburz Mountains (Iran), with new faunistic records for the subfamily

TABLE 2. Comparison of some relevant characteristics of Diamesa sahandensis sp. nov., Diamesa achipseensis Makarchenko, Semenchenko et Palatov, Diamesa caucasica Kownacki et Kownacka adult males based on Makarachenko et al. (2024). * = Measurements based on Kownacki & Kownacka (1973).
CharactersD. sahandensis sp. nov.D. achipseensisD. caucasicaTL3.73.22.97–3.5/5–6*WL2.54.13.4–3.6/3.5*TL/WL1.50.830.82–0.92AntennaWith slightly reduced plumeWith slightly reduced plumeWith developed plume of setaeAR0.920.7–0.740.82–0.92Clypeals6107–10Dorsocentrals1314–157–12Prealras411–124–6Scutellars173419–29Squama setae203421–26RM /MCu3.32.23.0–3.6LR 10.640.670.66–0.68BV 13.83.73.45–3.52SV 12.92.72.63–2.80No. setae on TIX816–1814–39Anal point L474040–49SternapodemeCrescent-shaped/Weak oral projectionRectangular/No oral projectionTrapezoidal/ Weak oral projectionSternapodeme L355656Sternapodeme W112156100SVo shapeVentral part located on a stalk (pedestal), subapical part with robust, spine-like setae dorsal part rounded, without long setaeVentral part located on stalk and subapical part needle-shaped setae; dorsal part rounded, with some long setaeVentral and dorsal parts without stalk, rounded, or elongated-rounded, almost the same size, covered with long setaeSVo stalk L71130–132-SVo No. subapical setae2018–20-IVoClub-shaped, on a long stalkAbsentAbsentGSc shapeCurved, with a basiventral appendage (projection) directed forwardNarrow and curved with slight expansion basally. No appendages.Inner margin of basal third or half widened. A wedge-shaped appendage directed backward.GSc L308410376–412HR1.31.160.9–1.02