4 NOTES ON CHALCIDLE. 



The antennae of the female decrease in length, in thickness, and in 

 the clavate form, according to the following order: — 



Length. — I. depressa, Laothoe, attenuate, hyalipennis, verticillata, 

 tenuicornis, linearis, fulvicollis, flavicollis, angustata, angustipennis, 

 crassicornis. 



Thickness. — I. crassicornis, verticillata, attenuata, fulvicollis, flavi- 

 collis, angustipenuis, tenuicornis, angustata, Laothoe, hyalipennis, 

 linearis, depressa. 



Clavate form. — I. attenuata, fulvicollis, flavicollis, linearis, tenui- 

 cornis, crassicornis, verticillata, angustipenuis, angustata, Laothoe, 

 hyalipennis, depressa. 



In the prothorax the characteristics of convexity, breadth, rough- 

 ness, size of the humeral spots and depth of colour of these spots 

 decrease in the following order : — 



Convexity. — I. verticillata, crassicornis, longicornis, angustipennis, 

 vacillans, Nepe, petiolata, cornuta, brevis, minor, pusilla, tenuicornis, 

 hreviventris, dissimilis, brevicornis, angustata, fulvicollis, flavicollis, 

 hyalipennis, brevipennis, linearis, Laothoe, attenuata. 



Breadth. — 1. longicornis, angustipennis, Laothoe, attenuata, 

 verticillata, crassicornis, petiolata, brevicornis, angustata, fulvicollis, 

 flavicollis, vacillans, Nepe, linearis, cornuta, brevis, minor, pusilla, 

 tenuicornis, hreviventris, dissimilis, hyalipennis, brevipennis. 



Roughness. — I. verticillata, crassicornis, hyalipennis, brevipennis, 

 petiolata, brevicornis, angustipennis, vacillans, Nepe, longicornis, 

 cornuta, brevis, minor, pusilla, tenuicornis, hreviventris, dissimilis, 

 angustata, fulvicollis, flavicollis, linearis, Laothoe, attenuata. 



Size of the humeral spots. — I. depressa, Laothoe, atteuuata, linearis, 

 longicornis, angustata, fulvicollis, flavicollis, vacillans, petiolata, dis- 

 similis, Nepe, crassicornis, cornuta, brevis, minor, pusilla, tenuicornis, 

 hreviventris, hyalipennis, brevipennis, angustipennis, verticillata, 

 brevicornis. 



Depth of colour of these spots. — I. angustipennis, verticillata, cras- 

 sicornis, cornuta, brevis, minor, pusilla, tenuicornis, hreviventris, 

 hyalipennis, brevipennis, vacillans, Nepe, linearis, petiolata, dis- 

 similis, angustata, fulvicollis, flavicollis, longicornis, Laothoe, depressa, 

 attenuata. 



The diminution of convexity and of roughness in the mesothorax 

 and of obtuseness in the tip of the scutcllum is expressed in the 

 following series : — 



Convexity. — I. verticillata, petiolata, hyalipennis, crassicornis, 

 Nepe, brevicornis, Laothoe, depressa, linearis, angustata, longicornis, 

 vacillans, dissimilis, attenuata, brevipennis, angustata, angustipenuis, 



