[521) 



A 733 



FIGURES 732 and 733. Macronema radiatum McL.: 



732 — labrum, dorsal; 733 - mandibles, dorsal: left man- 

 dible (A), right mandible (B). 



Meso- and metanotum (Figure 73 6, B, C) yellowish; mesonotum slightly 

 broader than metanotum; each half of both segments with a dark, oblique 

 stripe and brownish gray, large dots; anterior angles of mesonotum broadly 

 rounded, with narrow, dark brown margin; lateral margin and posterior 

 angle also narrow, dark brown; median black spot at posterior margin of 

 mesonotum mushroom-shaped; spot of metanotum dot-shaped. Anterior 

 margin and surface of sclerites with sparse, small, light chetae. Anterior- 

 margin primary setae situated near margin, longer on mesonotum than on 

 metanotum; medioanal setae situated near end of oblique stripe; a short, 

 brown seta anterior to stripe; 2 similar setae posterior to it. 



Propleuron large; pleural suture golden brown; episternum smooth, 

 occupying greater part of pleural region; epimeron much smaller, with 

 rounded posterior margin; a row of small, transparent, spinelike setae 

 parallel to pleural suture; primary seta situated in middle of row among 

 2—3 longer setae. Process of trochantin conical, with teat-shaped, 

 membranous end and 2 relatively large setules on outer side; a small 

 primary seta situated basally; small, light chetoids near it and in other 

 places. 



The sternite consists of a thin, brownish plate with a narrow, membranous 

 median suture; process of epimeron present anteriorly and laterally on 

 sternite. 



595 



