54 SUPPLEMENT. 



The Australian group is also closely allied to Opomala and forms two 

 subgroups; one with lanceolate antennee, ex X. adusta ; the other with 

 filiform anteunae, ex X. exempta and X. opomaloides. 



XlPHOCERA INTERRUl'TA. 



Mas. Nigra, sublus lutea, subscabrosa; caput luteo quadrivittatum, 

 prothorace multo brevius, fronte lutea nigro varia ; antenna? capiti et 

 prothoraci ad unum aquilonga?, articulis apice luteis; protkorax 

 subcarinatus, siriga dorsali strigis duabus obliquis vittisque quatuor 

 luteis ; abdomen luteo bivittatum, segmentis luteo marginaiis ; pedes 

 luteo notati, femoribus poslicis abdomine paullo longioribus ; ala 

 antica? nigricantes, luteo strigata? ; alee postica rosea. 



Male. Black, luteous beneath. Head and prothorax slightly scabrous. 

 Head much shorter than the prothorax, with four luteous stripes, two on 

 the vertex and two between the eyes and the hind border ; tip of the vertex 

 conical ; front luteous, long, oblique, varied with black inner keels, nearly 

 contiguous ; outer keels divergiug. Eyes ferruginous, nearly round, 

 slightly prominent. Antennae slightly tapering, as long as the head and 

 the prothorax together; tips of the joints luteous. Prothorax with a slight 

 keel and with two strongly-marked transverse impressed lines; a slight 

 luteous streak in the middle, two oblique luteous streaks, and on each side 

 two luteous stripes which are united in front; fore border and hind border 

 slightly rounded ; sides nearly straight. Abdomen with two luteous stripes 

 and with a luteous band on the hind border of each segment. Femora and 

 tibiae with numerous luteous spots; hind femora a little longer than the 

 abdomen ; hind tibiae a little shorter than the hind femora, their spines 

 minute. Fore wings blackish, with luteous streaks, shorter than the body. 

 Hind wings rosy. Length of the body 12 lines ; expansion of the hind 

 wings 23 lines. 



o. Interior of S. Africa. Presented by the Earl of Derby in 1843. 



Page 528. 



XlPHOCERA FUMIDA. 



Var. Foem. Fulva; caput et prothorax substriata, tricarinata; frons 

 iestacea, punctata, perobliqua ; femora poslica abdomine longiora ; 

 aim antica cinerea, corpore breviores ; aim posticai diaphana. 



Female. Tawny, slender. Head and prothorax with three slight 

 keels and with very slight intermediate ridges. Head shorter than the 

 prothorax ; tip of the vertex conical ; front testaceous, punctured, very 

 oblique, with four distinct diverging keels. Eyes ferruginous, elongate- 

 oval, oblique, not prominent. Antennae flat, lanceolate, shorter than the 

 head and the prothorax together. Prothorax with two slight transverse 

 impressed lines; fore border and sides straight; hind border rounded. 

 Hind femora longer than the abdomen ; hind tibia? a little shorter than 

 the hind femora, their spines small. Fore wings cinereous, shorter than 

 the body. Hind wings pellucid. Length of the body 13 lines ; expansion 

 of the fore wings 23 lines. 



b. South Hindostan. Presented by M. J. Walhouse, Esq. 



