182 SCOLITDJE. 



12. Myziue confusa. 



Male. Length 4 lines. — Head and thorax black, abdomen ferru- 

 ginous. The mandibles ferruginous, the flagellum fulvous beneath ; 

 the vortex smootli, shining, and impunctate. The pro- and meso- 

 thorax with tine scattered punctures, smooth and sliiiiing ; the 

 motathorax coarsely rugose ; the tibia; and tarsi ferruginous ; wings 

 hyaline and iridescont, the ncrvures rufo-tcstaccous, the stigma 

 fuscous. Abdomen subpetiolate, smootli, and shining ; the basal 

 half of the first segment black. 



Hab. Amazons, Ega. 



13. Myzine agiHs. 



fenuile. Length 8 lines. — Black, shining, and punctured, variegated 

 with pale yellow markings ; wings fulvous, their apex fuscous 

 and iridescent, nervures ferruginous. The antennae, two spots be- 

 tween them, the clypeus, and mandibles ferruginous, the tips of 

 the latter black ; a narrow yellow line at the inner orbits of the 

 eyes towards their summit, with scattered punctures above the 

 antcnnsD. The pro- and mesothorax with strong but not close 

 punctures ; the metathorax truncate, the base rugose ; at the verge 

 of the truncation transversely carinate, the truncation with radi- 

 ating strijB ; the margins of the prothorax yellow, the anterior one 

 interrupted ; the postscutellum and a spot beneath the wings yel- 

 low ; the legs ferruginous. Abdomen smooth and shining ; a lateral 

 ovate macula on the basal segment; the second segment with a 

 short lateral line near the middle and a short one at its basal ■, 

 margin in the centre ; the third and fourth segments with trans- 

 verse narrow fasciae, that on the latter slightly interrupted, and the' 

 fifth segment with a widely interrupted narrow fascia, pale yellow ; 

 beneath black. 



Male. Length Tj lines. — Black ; the clypeus, mandibles, scape in 

 front, and a spot above each antenna yellow. The prothorax, the 

 tegiilaj, a V-shaped spot on the mesothorax, a lunate one on the 

 scutellum, the postscutellum, a spot beneath the wings, the tibiae, 

 tarsi, and apex of the femora, yellow ; wings hyaline, the nervures 

 ferruginous. The segments of the abdomen with uninterrupted J 

 yellow fasciae ; beneath, the fasciae are narrower, attenuated, and 

 interrupted in the middle. 



Hab. Nicaragua. 



14. Myzine bicincta. 



Female. Length 5| lines. — Black; the metathorax yellow, the] 

 abdomen with a violet iridescence, and with a narrow yellow] 

 fascia at the base of the third and fourth segments. The clypeus,j 

 mandibles, and antennae ferruginous, the latter more or less fuscous 



