276 HYMENOPTEEA. 



1. Phytodietus cressoni. 



Ferrugineus ; flagello antennarum, metanoto pro parte, macula magna coxarum posticarum medioque abdo- 

 minis segmentis l mo et 2°, nigris ; alis hyalinis, stigmate sordide testaceo. $ . 

 Long. 11 milllim. ; terebra 9 millim. 



Eab. Panama, Volcan de Chiriqui 4000 to 6000 feet (Champion). 



Closely punctured, the apical segments of the abdomen very slightly ; metanotum 

 with a transverse keel. Orbits, the mandibles (except at the apex), and a narrow ring bn 

 the antennae, yellow; centre of the mesonotum obscurely, the mesopleurae in front, the 

 metanotum (except a large space in the centre at the base), the first and second segments 

 of the abdomen broadly in the middle, the two anterior coxae broadly at the base, and 

 the posterior coxae entirely behind, black. The hind femora are more or less black 

 above and beneath ; tips of the tarsi black. Areolet oblique, triangular above, angled 

 beneath where the recurrent nervure is received before the middle. 



2. Phytodietus guatemalensis. (Tab. XI. fig. 21.) 



Ferrugineus ; flagello antennarum nigro, annulo albo ; alis flavo-hyalinis, stigmate sordide testaceo. $ . 

 Long. 13 millim. ; terebra 11 millim. 



Eab. Guatemala, San Geronimo, Duenas ( Champion) ; Panama, Volcan de Chiriqui 

 4000 to 6000 feet (Champion). 



Closely and finely punctured all over ; clypeus with larger and more distinctly 

 separated punctures ; abdomen not so strongly punctured as the thorax, especially 

 towards the apex. Tubercle below the antennae large, narrower at the apex. Orbits 

 more or less yellowish ; mandibles yellowish, black at the tips. Scutellum narrower 

 towards the apex, with distinct keels at the base ; metanotum with a transverse keel 

 near the apex. Areolet oblique, triangular above, not much angled on the lower side. 



3. Phytodietus gracilicornis. 



Phytodietus gracilicornis, Cresson, Proc. Acad. Phil. 1873, p. 411 ( $ ?)\. 

 Eab. Mexico, Orizaba, Cordova 1 (Sumichrast) . 



4. Phytodietus mexicanus. 



Phytodietus mexicanus, Cresson, Proc. Acad. Phil. 1873, p. 412 ( $ )'. 

 Eab. Mexico, Cordova 1 (Sumichrast). 



5. Phytodietus orizabensis. 



Lampronota mexicana, Cresson, Proc. Acad. Phil. 1873, p. 407 (<£ ? )\ 

 Eab. Mexico, Orizaba 1 (Sumichrast). 



6. Phytodietus aztecus. 



Lampronota azteca, Cresson, Proc. Acad. Phil. 1873, p. 408 ( ? )\ 

 Eab. Mexico, Orizaba 1 (Sumichrast). 



