390 



CATALOGUE OF 



Genus 119. GYAINOCERA. 

 Gymuocera, Bridle, Hist. Nat. Ins. ix. Serv. Hist. Orth. 425. 



1. Gymnocera denuda. 



Scaplmra deniula, Grier. et Perch. Gen. Ins. Orth. pi. 4. Burm. Handb. 

 Ent. ii. 687 — Gymnoceia Lefebvvei, BruUe, Hist. Nat. Ins. ix. 146 — 

 iServ. Hisl. Orth. 426. 



Brazil. 



2. Gymnocera elegans. 

 elegans, Serv. Hist. Orth. 427. 



Buenos Ayies. 



3. Gymnocera modesta. 

 modesta, Blanch. Gay^ Chile, vi. 47. 



Chili. 



4. Gymnocera bicolor. 

 Scaphura bicolor, Blanch. Voij. D'Orbigmj, vi. 215, pi. 20, f. 7. 

 Patagonia. 



5. Gymnocera marcxInata. 



Mas. Testacea ; verticis carina albida, sulcata, apice obtusa ; frons inter 

 antennas albida, fere semicircularis ; antennce nigrce, basin versus 

 testaceo varies; abdomen alrum, basi apireque cyaneum ; femora 

 apice, libiiB basi tarsique cyanea ; alee anticce fulvce, viridi venosce ; 

 alee posticcB luridce, nigricanle marginata. 



Male. Testaceous. Keel of the vertex whitish, furrowed, obtuse at 

 the tip; front between the antennae whitish, nearly semicircular. Eyes 

 elliptical, prominent. Antennae black, very much longer than the body, 

 with two testaceous bands near the base, which is wholly testaceous. Pro- 

 thorax with two purplish patcbes on each side. Mesothorax and meta- 

 thorax melaliic-blue. Dorsum of tlie abdomen deep black, metallic-blue 

 at tbe base and at the tip. Oviduct tuberculated, serrated. Femora at the 

 lips, til)iaB at tbe base and tarsi blue. Fore wings tawny ; veins pale green. 

 Hind wings lurid, with a blackish border. Length of the body 11 lines; 

 expansion of the fore wings 30 lines. 



The dark border of the hind wings distinguishes it from G. denuda 

 and from G. elegans; G. bicolor differs from it in the markings of the 

 proihorax. 



a. Demerara. 



