Key to species of Dicaelotus Wesmael known from China

1. All tergites black, at most posterior margins reddish brown.................................................... 2

-. At least median tergites red or reddish brown............................................................... 3

2. Postpetiole with wrinkles. Clypeus black. Basal portion of antenna brown to reddish brown. Pronotum entirely black. Hind femur black................................................................. D. pumilus (Gravenhorst, 1829)

-. Postpetiole with punctures. Clypeus red. Basal portion of antenna black. Pronotum with yellow spots. Hind femur brown................................................................................ D. cameroni Bridgman, 1881

3. Posterior side of area superomedia slightly uniformly arched forwardly. All tergites brown...... D. chinensis Roman, 1936

-. Posterior side of area superomedia (Fig. 9) strongly arched forward, angled medially. At least posterior tergites black...... 4

4 Flagellomere 1 1.2 × as long as maximum width. Area superomedia (Fig. 9) smooth, with indistinct fine punctures. Area dentipara with distinct punctures. Apex of ovipositor sheath (Fig. 11) reaching to end of metasoma. Tegula dark brown. Hind coxa predominantly black. Basal portion of hind tibia yellowish white..................... D. caraganae Sheng & Li, sp.nov.

-. Flagellomere 1 2.0 × as long as maximum width. Area superomedia and area dentipara with distinct irregular wrinkles. Apex of ovipositor sheath distinctly beyond end of metasoma. Tegula white. Hind coxa entirely yellow brown. Hind femur and tibia entirely brown to reddish brown.................................................. D. crassifemur Thomson, 1891