206 Ins. 
XI ir. INSECTA. — HYMENOPTERA. 
[1904] 
Ptilothrix nudipes Burm. (as Meliphila) = {similis Fr.), Friese, p. 100, t. c. 
Rhathymus and Eurytis., characters, Cockerell, p. 208, Ann. Nat. Hist, 
xiv ; li. armatus = {Odyneropsis holosericea Schr.), Friese, p. 100, 
Zeitschr. Hym. Dipt. iv. 
Rohertsonella n. g. Osmiince., p. 22, R. gleasoni n. sp., Illinois, p. 23, Titus, 
J. N. York Ent. Soc. xii. 
Saropoda alplia, Australia, Cockerell, p. 204, Ann. Nat. Hist, xiv, n. sp. 
Scirtetica n. g. Euceritce, p. 389, >S'. antarctica n. sp., Patagonia, p. 391, 
Holmberg, An. Mus. Buenos Aires (3) ii. 
Serapis rujipes, Cape Colony, Friese, p. 106, Zeitschr. Hym. Dipt, iv, n. sp. 
Serapista n. n. for Serapis Sm., Cockerell, p. 357, Canad. Ent. xxxvi. 
Sphecodes {Brepanium) olympicAis, p. 230, >S'. {Machaeris) v-ashinytoni^ 
p. 231, S. (S.) hesperellus, arvensiformis^ p. 232, Oregon etc., Cockerell, 
Canad. Ent. xxxvi ; S. veganus, pecosensis, New Mexico, Cockerell, 
p. 5, Entomologist 1905 ; S. a?royanus, New Mexico, Cockerell, 
p. 231, t. c. ; >S'. equator, Ecuador, Vachal, p. 314, Bull. Mus. Paris 
1904; >S'. lunaris, Tucuman, Vachal, p. 26, Piev. Ent. franc, xxiii : 
n. spp. 
Stelis ornatida, cf. Osmia. 
Svastra fulgurans, Argentina, Holmberg, p. 388, An. Mus. Buenos Aires 
(3) 'ii, n. sp. 
Synhalonia frater aragalli subsp. n., >S'. crenulaticollis var. n. lippice, 
Cockerell, p. 25, Ann. Nat. Hist. xiv. 
Tapinotaspis n. g. p. 413, T. chacahucensis, sahularum, p. 415, n. spp., 
Argentina, Holmberg, An. Mus. Buenos Aires (3) ii. 
Teleutemnesta n. g. p. 400, T. fructifera, p. 402, scalar is., relata, p. 403, 
distincta, p. 404, separata, p. 405, La Plata, n. spp., Holmberg, t. c. 
Tetralonia melanura=\Anthoph. grisea Schl. and Megach. gaspe rini ^chl., 
also T. atrifrons Sm.), Friese, p. 99, Zeitschr. Hym. Dipt, iv; T. 
analis=^{Macroglossa orihazi Pad.), Friese, p. 100, t. c. 
Tetrapedia mexicana Pad. as {Epeichai'is) = {Jiorcntinia D. T. = saussurei 
Fr.), Friese, p. 100, t. c. 
T. tucumana, gaidlei, Tucuman, Vachal, p. 22, Rev. Ent. franc, xxiii, 
n. spp. 
Thygater chrysophora, Argentina, Holmberg, p. 386, An. Mus. Buenos 
Aires (3) ii, n. sp. 
Thyreothremma n. g. Euceritce, p. 391, T. rhopalocera, p. 393, desiderata, 
p. 395, ahscondita, p. 396, La Plata, Holmberg, t. c. n. spp. 
Trachandrena amphihola, p. 159, indotata, ochropleura, crassildrta, per- 
densa, hadra, limarea, p. 160, cleodo7'a, fuscicauda, auricauda, permida, 
p. 161, Oregon etc., Viereck, Canad. Ent. xxxvi, n. spp. 
Trachusa serratidce, habits, Adlerz, pp. 121-129, Ent. Tidskr. xxv. 
Trichocerapis n. g. type Tetralonia mirahilis Sm., Cockerell, p. 292, Ent. 
News Philad. xv. 
Triepeolus helianthi var. n. arizonensis, cressoni var. n. frasene, Cockerell, 
p. 39, Ann. Nat. Hist. xiii. 
T. nautlana, Mexico, pimarum, mesilloe, p. 36, isocomcE, p. 38, New Mexico, 
Cockerell, t. c. n. spp. 
Trigona heideri, occidentalis, Schulz, p. 823, SB. Ak. Munchen 1904. 
T. ^catamareeasis, p. 378, remota, p. 379, Holmberg, An. Mus. Buenos 
Aires (3) ii, n. spp. 
Xylocopa collaris var. n. hinghami, Cockerell, p. 30, Ann. Nat. Hist, xiv ; 
X. violacea, piercing flowers for nectar, Cobelli, p. 11, Allg. Zeitschr. 
Ent. ix; X. and flowers in Paraguay, Schrottky, p. 346, Allg. 
Zeitschr. Ent. ix. 
X. nautlana, IMexico, Cockerell, p. 30, Ann. Nat. Hist, xiv, n. sp. 
Zacesta, referred to Panurgida^, characters, Titus, p. 26, J. N. York Ent. 
Soc. xii. 
