Table 2 in TWO NEW SPECIES OF MONOPELOPIA FITTKAU, 1962 FROM FORESTS IN INDIA ALONG WITH A KEY TO ADULT MALES OF ORIENTAL AND PALEARCTIC SPECIES (DIPTERA: CHIRONOMIDAE) Abstract

Table 2. Comparison of male adult Monopelopia (M.) recta sp. n. and Monopelopia (M.) obscurata sp. n. with eight morphologically similar species.
AR1Setae in 3 combWing membraneSquamal setaeDorsolateral setae on TIXMedian setal row on GcMegaseta (µm)HRAnal pointM. (M.) iara1.130.979Sparsely covered with macrotrichia142 each sideAbsent111.31ConicalM. (M.) tenuicalcar1.160.806Densely macrotrichiose—1 each sideAbsent121.52ConicalM. (M.) caraguata1.050.955Macrotrichiose134 each sideAbsent101.58LongM. (M.) macunaima0.870.829Few macrotrichiae over entire wing123 each sideAbsent121.44Broad based, conicalM. (M.) edentata0.910.88—Few macrotrichiae over entire wing124 each sideAbsent131.35Broad based, conicalM. (M.) mongpuense1.121.088Macrotrichiose progressively denser toward the apex183 each sideAbsent161.44Short, straightM. (M.) adeliae1.170.757Sparsely covered with macrotrichia213 each sideAbsent141.35ConicalM. (M.) obscurata sp. n.1.461.046Densely macrotrichiose142 each sideAbsent13.82.0Broad based, conicalM. (M.) recta sp. n.1.810.948Macrotrichiose distally172 per sidePresent111.69Short, conical

表2 雄性成虫直长足摇蚊（Monopelopia (M.) recta sp. n.）与暗长足摇蚊（Monopelopia (M.) obscurata sp. n.）及8个形态相似物种的形态比较

| 分类单元 | 伊氏长足摇蚊（Monopelopia (M.) iara） | 细距长足摇蚊（Monopelopia (M.) tenuicalcar） | 卡拉瓜塔长足摇蚊（Monopelopia (M.) caraguata） | 马库奈马长足摇蚊（Monopelopia (M.) macunaima） | 无齿长足摇蚊（Monopelopia (M.) edentata） | 勐普长足摇蚊（Monopelopia (M.) mongpuense） | 阿德利长足摇蚊（Monopelopia (M.) adeliae） | 暗长足摇蚊（新种）（Monopelopia (M.) obscurata sp. n.） | 直长足摇蚊（新种）（Monopelopia (M.) recta sp. n.） |
|-------------------------|----------------------------------------|---------------------------------------------|----------------------------------------------|-----------------------------------------------|------------------------------------------|-------------------------------------------|------------------------------------------|-------------------------------------------------------|----------------------------------------------------|
| AR1 | 1.13 | 1.16 | 1.05 | 0.87 | 0.91 | 1.12 | 1.17 | 1.46 | 1.81 |
| 3梳刚毛数 | 0.979 | 0.806 | 0.955 | 0.829 | — | 1.088 | 0.757 | 1.046 | 0.948 |
| 翅膜特征 | 被大毛（macrotrichia）稀疏覆盖 | 密被大毛 | 具大毛 | 全翅覆少量大毛 | 全翅覆少量大毛 | 大毛密度向翅尖逐渐增加 | 被大毛（macrotrichia）稀疏覆盖 | 密被大毛 | 远端具大毛 |
| 翅瓣刚毛数 | 每侧142根 | 每侧1根 | 每侧134根 | 每侧123根 | 每侧124根 | 每侧183根 | 每侧213根 | 每侧142根 | 每侧172根 |
| 第9腹节背板（Tergite IX, TIX）背侧刚毛数 | 无 | 无 | 无 | 无 | 无 | 无 | 无 | 无 | 存在 |
| 生殖基节（gonocoxite, Gc）正中刚毛列 | 11 | 12 | 10 | 12 | 13 | 16 | 14 | 13 | 11 |
| 巨刚毛（Megaseta）长度(μm) | 1.31 | 1.52 | 1.58 | 1.44 | 1.35 | 1.44 | 1.35 | 1.82 | 1.69 |
| HR | 1.31 | 1.52 | — | 1.44 | 1.35 | 1.44 | 1.35 | 2.0 | — |
| 肛尖形态 | 锥形 | 锥形 | 长形 | 基部宽、锥形 | 基部宽、锥形 | 短直形 | 锥形 | 基部宽、锥形 | 短锥形 |