Chaleididac. 481 



anterior to the tip of abd. ; antenii. elbowed, with 1, 2 or 3 ring- 

 joiiits, very rarely without, the scape large a, rather long, 



Axillae triangularly prodaced or advanced forward into the basal 

 region of the scapulae, their base or anterior margin on or in advauce 

 of an imaginary line drawn from tegula to tegula; ant. tib. spur most 

 frequently small or weak; tarsi 3— 4-jointed, rarely 5-jointed, or hete- 

 ronierous. 10 



Axillae noi'mal, or at least never produced forward into the basal 

 region of the scapulae, tbeir base or anterior margiu straight and always 

 back of an imaginary line drawn from teg. to teg. ; ant. tib. spur large 

 a. strong, tarsi 5-jointed (rarely 4-jointed, or 3- or 4-jointed in some 

 wingless males). 3 



3. Head in $ oblong, with a deep, broad longitudinal furrow above, the 

 occipital margin superiorly, usually with a small recurved tubercle or 

 spine at its middle; mand. or palpi most frequently furuished with saw- 

 like appendages; aut. a. post. legs very stout, their tibiae very much 

 shorter than their femora, middle legs very slender, sometimes aborted; 

 hypopygium very prominent, acute, cultriform or lanceolate; ovipos. long, 

 prominently exserted; ^ always apterous, the head anteriorly with a deep 

 triangulär fovea, in which are placed the short 3— 9-jointed antennae; 

 abd. in ^ always long a. tubulär, thickened at base. 



Fam. LX. Agaouidae 



Head rarely oblong and quite diiferently formed, never with a deep 

 broad longitudinal furrow above, most frequently transverse, or sub- 

 quadrate, the occipital margin never with a small recurved spine; mand. 

 a. palpi without saw-like appendages; middle legs not especially slender, 

 ant. a. post. legs often stout, hut their tibiae are always longer, at least 

 never shorter than their femora; hypopygium rarely very prominent; ^ 

 most frequently winged, rarely apterous; in the latter case abd. normal, 

 not long a. tubulär. 



Mesopleura large, entire, without a femoral furrow, exeept occasionally 

 in some ^, mesepisternum large, triangulär, not extending to base of 

 front coxae; middle tib. spur saltatorial, most frequently long and stout, 

 or dilated at base. 8 



Mesopleura always with a femoral furrow or impression, mesepisternum 

 variable, rarely large, exeept in the Cleonymidae, most frequently small, 

 wedge-shaped, or linear and extending to base of front coxae; if large a. 

 triangulär, either the ant. or post. femora much swollen; middle tibial 

 spur not saltatorial, usually short or weak, never very stout. 



Hind tibiae with 2 apic. spurs, rarely with 1 only; in the latter case 

 the radius terminates in a large, rounded Stigma, the ovip. very long. 4 



Hind tib. w. 1 ap. spur; ovip. rarely long, if long the Stigma is 

 small. 9 



4. Mandibles falcate, usually with 1 or 2 teeth within; Thorax most fre- 

 quently very gibbous, scutell. usually very large, often abnormally deve- 

 loped elevated a. produced posteriorly, axillae connate, not distinctly 

 separated from the sm-rounding surface and broadly united along their 

 inner margins. 6 



Aich. f. Naturgesch. Jalirg. 1900. Bd. II. H. 2. 31 



