Vol. XXviii] ENTOMOLOGICAL NEWS l6l 



by immersion in some liquid preservative, lost all of its original 

 coloration, excepting the dark distal section of the ovipositor. 

 The species is the largest member of this group and probably 

 of the genus. This statement, however, may require modifica- 

 tion when both sexes of all the described species are known. 



The extensive character of the marginal field of the teg- 

 mina and the form of the tegminal apices are quite character- 

 istic of this species, while the compression of the head and the 

 bull.ition of the face are marked to an exceptional degree. 



Type measurements: length of body (exclusive of oviposi- 

 tor), 25.3 mm. ; length of pronotum, 8.2 mm. ; greatest (caudal) 

 width of pronotum, 6.4 mm. ; length of tegmen, 42.8 mm. ; 

 greatest width of tegmen, 19 mm. ; length of caudal femur, 

 18.2 mm. ; length of ovipositor, 6.5 mm. 



The ovipositor structure of this individual, the only female 

 of this species group known to us, is so striking it seems de- 

 sirable to figure it. To what degree the other forms of the 

 group exhibit a similar imbricated structure of the ovipositor 

 surface remains to be determined. 



EXPLANATION OF PLATE XII. 

 Outline of tegmen (lateral aspect), (x i^.) 



Fig. i. Coelophyllum amazonicum new species. $ Type. Conta- 

 mano, Peru. 



Fig. 2. Coelophyllum creniilatum (Brunner). $. Caparo, Trinidad. 

 Fig. 3. Coelophyllum costariccnse new species. $ Type. Cachi, 

 Costa Rica. 



Fig. 4. Coelophyllum perui'ianum new species. $ Type. Chancha- 

 mayo, Peru. 



Fig. 5. Coelophyllum simplex Scudder. 9 Type. Peruvian Ma- 

 ranon. 



Outline of ovipositor (lateral aspect). -(x4_) 



Fig. 6. Coelophyllum simplex Scudder. $ Type. Peruvian Ma- 

 raiion. 



Influence of Rainfall on Abundance of a Moth (Lep.). 



Results of several years' observations in Louisiana, Cuba, Jamaica, 

 Trinidad and Barbados and careful status examination for two years 

 in Porto Rico show that the abundance of the Sugar-Cane Moth Stalk 

 Borer (Diatraea saccharalis) varies inversely with the rainfall. G. N 

 WOLCOTT, University of Illinois. 



