334 



MUSEO NACIONAL DE H. NATURAL DE BUENOS AIRES 



¡nterruptis, in uno r-4°, in altero r-2''. Long. 

 11, abd. lat. 3, cap. lat. 31-4 mm 



4. ?. Mesonoto opaco; atra, albo -pilosa, subter an- 

 tennam singulam macula parva cuneiforme, fla- 

 va, extra eam in scutello faciali ab illa spatio 

 mínimo nigro separata altera transversa minori; 

 pronoti linea in medio vix interrupta, et fasciis 

 4 vittellinis in segmentis 2.-5., in 2" utrinque 

 abbreviata lineari, in medio interrupta, in 3° et 

 4° latis postice utrinque emarginatis et antice 

 acute angulatim a callis, in 5" paulo angustiori 

 in medio minus quam in 2° interrupta; alis di- 

 midio basali vix flavidis, deinde hyalinis, mar- 

 gine postico infuscato. Long. 8 i, abd. lat. 2 h mm. 



— Mesonoto nitidissimo; caput nigrum, ad sum- 

 mum puncto quasi inconspicuo in scutello faciali. 



5. (S. Atra; pronoto in medio interrupte, segmen- 

 tisque flavo -fasciatis fasciis extrorsum sensim 

 attenuatis, in 3" integra, in 4" lineóla nigra in- 

 terrupta, in 5" fere i mm. quoque, anguste et 

 utrinque sat abbreviata. Long. 9, capitis lat. 2 i, 

 abdominis 2^ mm 



— Alio modo picta 



61.^0. Ps. Gomezi. 



62. e. Ps. litoralis. 



5. 



63. o. Ps. vicina. 

 6. 



6. o. Nigra, aliquantulum picea prascipue in pe- 



dibus et abdomine, elegans, abdominis basi sat 



nitida deinde subopaca, pronoto lineóla vix in 



medio interrupta in segmentis 2^-6" fasciis latis 



subtestaceo- flavidis (quasi «jaune de Napies»), 



in 2° -5" integris, 2° fascia utrinque abbreviata, 



3" -5" postice utrinque suaviter emarginatis et 



antice utrinque quoque a callis lateralibus acute 



emarginatis, in 6° sub 5° condito utrinque ma- 



gis abbreviata, in medio parum interrupta (trans- 



luce atque a retro difficile inspecta); in scutello 



faciali puncto flavido minuto. Long. 9, capitis 



et abdominis lat. 2 I mm 64. o- Ps.viatrix. 



— o. Nigra, pronoto in medio interrupte, fasciis- 



que 4 in segmentis 2''-5'' flavis, in.2'' striolis 



duabus minutis, separatis, quasi evanidis, in 3° 



et 4" integris postice utrinque vix emarginatis, 



in 5" integra quoque, utrinque abbreviata, sen- 



simque extrorsum attenuata; abdomine nigro- 



piceo, pedibus piceis. Long. 6 h, abd. lat. 2 i mm. 65. S. Ps. Penningtoni. 



