Table 3 in New and little-known species of the genus Sphecodes Latreille (Hymenoptera, Halictidae) from Southeast Asia

Table 3. Differences between males of Sphecodes sauteri, S. malayensis, and S. redivivus. CharactersSphecodes speciessauterimalayensisredivivusHead1.2 times as wide as long1.25 times as wide as long1.2 times as wide as longTyloidsSemi-oval across 1/3 basal flagellar surfacesSemi-oval across 1/2 basal flagellar surfacesSemi-oval across 1/4 basal flagellar surfacesF31.2 as long as wideSquareSquareHypoepimeral areaSmooth with tiny and sparse puncturesSmooth with a few microscopical puncturesSmooth to finely rugulose with dense puncturesNumber of hamuli6-755Antennae colorationRedBrownBrown表3. 索氏隧蜂（Sphecodes sauteri）、马来隧蜂（S. malayensis）与红隧蜂（S. redivivus）雄性个体间的形态差异 | 特征 | S. sauteri | S. malayensis | S. redivivus | | ---- | --------- | ------------ | ------------ | | 头部 | 宽为长的1.2倍 | 宽为长的1.25倍 | 宽为长的1.2倍 | | 触角毛突（Tyloids） | 鞭节基部1/3区域呈半卵圆形 | 鞭节基部1/2区域呈半卵圆形 | 鞭节基部1/4区域呈半卵圆形 | | 第三鞭节（F3） | 长为宽的1.2倍 | 呈正方形 | 呈正方形 | | 后胸侧板区（Hypoepimeral area） | 表面光滑，具细小且稀疏的刻点 | 表面光滑，具少量细微刻点 | 近光滑至具细皱纹，刻点稠密 | | 翅钩列（hamuli）数量 | 6~7 | 5 | 5 | | 触角色泽 | 红色 | 棕色 | 棕色