28 
ERRUCA, Walker. 
Erruca deyrolii. (Plate XII. fig. 6.) 
Laemocharis deyrolii, Herrich-Schiiffer, Aussl. Schmett. figs. 247, 251 a. 
Wings testaceous hyaline, veins and margins black : primaries sometimes with the apex 
black ; costal and interno-basal areas ochraceous. Body black-brown ; frons white-spotted ; 
a white dot on each shoulder ; abdomen with lateral series of white dots ; the fourth and 
following segments with a white spot on the centre of their hind borders : body below brown, 
venter with lateral series of white spots. Expanse of wings 1 inch 7 lines. 
Rio Grande. 
MYRMECOPSIS, Newman. 
Myrmecopsis tarsalis. (Plate XIII. fig. 1.) 
Glaucopis (Pseudosphex) tarsalis, Walker, Cat. Lep. Bet. i. p. 196. u. 98 (1854). 
Myrmecopsis tarsalis, Butler, Jouni. Linn. Soc, Zool. xii. p. 380. n. 1 (1876). 
Wings testaceous hyaline, with the veins and margins brown ; a broad olive-brown purple- 
shot costal streak, best marked on primaries ; discocellulars of primaries and a short dash on 
the middle of the costa blue. Body black ; palpi below and inner margins of trochanters and 
femora white ; tarsi testaceous. Expanse of wings 1 inch 3 lines. 
Para {Bates). 
Like a Eumenes. 
Mjmnecopsis semihyalina. (Plate XIII. fig. 9.) 
Glaucopis (Pseudosphex) semihyalina, WaUcer, Cat. Lep. Het. i. p. 197. n. 99 (1854). 
Myrmecopsis semihyalina, Butler, Journ. Linn. Soc, Zool. xii. p. 380. n. 2 (1876). 
Pseudosphex vespiformis, HerricTi-Schaffer, Aussl. Schmett. fig. 425. 
Wings pale testaceous hyaline, veins and marginal edges black : primaries with the basi- 
costal area (excepting a basal spot below the cell) broadly brown purple-shot ; the middle of 
costa and the discocellulars blue ; secondaries brown to near the base, shot with dull blue 
on the outer margin. Body black ; abdomen bluish, with a minute blue dot on each side of 
the basal segment, the latter pinkish sericeous below ; frons and pectus bluish ; tarsi sordid 
white at the base. Expanse of wings 1 inch 8 lines. 
Para [Bates). 
GYMNELIA, Walker. 
Gymnelia laeimus. (Plate XII. fig. 8.) 
Glaucopis (Gymnelia) laennus, Walker, Cat. Lep. Het. i. p. 154. n. 21 (1854). 
Wings hyaline white, veins and borders black : primaries with a short black bar upon 
the discocellulars ; secondaries with a black band from the costa, across the discocellulars, to 
