506 CATALOGUE OF 



** Caput prothorace paullo brevius. 

 Genus 9. PERENA. 



Mas. Corpus gracile,longi-fusiforme. Caput et prothorax subtilissime 

 punctata. Caput lanceolatum, ascendens, prothorace supra brevius, ante 

 oculos longi-conicura et sulcatum, laleribus posticis subtuberculatis, fronte 

 quadricarinata. Oculi fusiformes, vix obliqui, non prominuli. Antennae 

 lanceolatse, non dilatatae, capile paullo longiores. Prothorax tricarinatus, 

 margine antico subtruncato, margine postico rotundato, lateribus sub- 

 tuberculatis. Prosternum transverse jugatum. Pedes graciles; tibia? 

 quatuor anteriores spinulosa? ; tibiae postica? biseriatim spinosa?. Ala? 

 anticoe angustae, acutiu, alis poslicis valde longiores. 



Male. Body slender, tapering from the hind border of the prothorax 

 to the head and to the tip of the abdomen. Head and prothorax very 

 minutely punctured. Head lanceolate, ascending, rather shorter than the 

 prothorax above; part in front of the eyes elongate-conical, furrowed, 

 longer than the hind part, of which the sides are minutely tuberculate ; 

 front with four keels, of which the inner pair are nearly contiguous. Eyes 

 fusiform, hardly oblique, not prominent. Antenna? lanceolate, not dilated, 

 a little longer than the head. Prothorax with three keels and with three 

 slight transverse impressed lines; fore border slightly truncated; hind 

 border rounded ; sides minutely tuberculated. Prosternum with an oblique 

 elevated transverse ridge. Legs slender; spines of the four anterior tibiae 

 few, extremely minute ; hind tibia? a little shorter than the hind femora, 

 with two rows of minute spiiies. Fore wings narrow, acute, much longer 

 than the hind wings. 



1. PERENA CONCOLOR. 

 Mas. Cervina , alee posticce diaphance, testaceo venosee. 



Male. Fawn-colour. Eyes livid or tawny. Hind wings pellucid; 

 veins testaceous. Length of the body 18 lines ; expansion of the fore wings 

 30 lines. 



a, b, Corea. Presented by Capt. Sir E. Belcher. 



*** Caput prothorace multo brevius. 

 Genus 10. OPOMALA. 



Opsomala, Scrv. Rev. 1831 ; Hist. Orth. 586. Burm. Handb. Ent. ii. 610 

 Xiphocera, Perty Opomala, Erichs. Agass. Nom. Zool. Ind. Gen. 

 Fisch. Orth. Eur. 305. 



Europe. 



1. OPOMALA TRYXALICERA. 

 tryxalicera, Fisch. Orth. Eur. 305, pi. 15, f. 8. 

 Sicily. 



