182 Dr. MalcoH^]’) hit’s rreliminary Revision of the 
5. Antennae seginentis 4-5-6 
longis; pronotuin longius 
qnain Latins.6. ciagatina, King. 
5.5. Antennae scginentis 4-5-6 
globularibns ; pronotuin 
aeqne longnm ac latum . 7. nifjra, Caiul. 
1.1. Pronotuin postice ampliatum. 
2. Elytra triangularia; species orientalis 8. castetsi, Bob 
2.2. Elytra rectangularia. 
3. Antennae tenues, segmentis apice 
valde clavatis. 
4. Alae nullae; species americana 9. imddyi, Burr. 
4.4. Alae perfecte explicatae; 
species orientalis.10. femoralis, Dohrn. 
3.3. Antennae fortiores, cylinclricae 
vel subcylindricae. 
4. Antennae segmentis 4-5-6 globu- 
laribus, omnibus brevibus . . 11. Dohrn. 
4.4. Antennae .segmentis, 4 brevi, 
5 et 6 longioribus, ceteris 
subcylindricis. 
5. Antennae segmento primo 
brevi ; species americana . .12. burri, Borelli. 
5.5. Antennae segmento primo 
longo. 
6. Antennae segmento 3 brevi. 
7. Colore fulvo-castaneo, 
hand metallico ; species 
americana.13 satdderi, Bonn. 
7.7. Colore atro caeruleo- 
nitenti ; species ori¬ 
entalis .14. duhrni, Kirby. 
6. Antennae segmento 3 longo ; 
S 2 iecies africanae. 
7. Antennae segmento 4 glo¬ 
bular! ; pronoto brevi, 
scutello parvo liberanti . 15. debilis, Burr. 
7.7. Antennae segmento 4 
cylindrico; pronoto 
super elytra producto 16. cincticollis, Gerst. 
Rsalis festiva, sp. n. 
Allied to P. americana ; differs-in the smaller size, more 
slender build, abortive wings, and strongly abbreviated 
