INSECUTOR INSCITI^ MENSTRUUS 117 



Miamyia symmachus Dyar & Knab. 



IVyeomyia symmachus Dyar & Knab, Smiths. Misc. Colls., Quart. 



iss., Hi, 262, 1909. 

 Wyeomyia eiithcs Dyar & Knab, Smiths. Misc. Colls., Quart, iss., 



Hi, 263, 1909. 

 Wyeomyia symmachus Howard, Dyar & Knab, Mosq. No. & 

 Cent. Am. & W. I., ii, plate 2, fig. 7, 1912. 

 This species does not differentiate itself in coloration from 

 the ordinary Wyeomyia type. The larvse occur in bamboo, a 

 breeding place that always produces peculiar forms. The larva 

 is rather peculiar and is allied to that of codiocampa. 



Miamyia codiocampa Dyar & Knab. 



Wyeomyia codiocampa Dyar & Knab, Journ. N. Y. Ent. Soc, 



XV, 209, 1907. 

 Wyeomyia codiocampa Howard, Dyar & Knab, Mosq. No. & 



Cent. Am. & W. I., ii, plate 3, fig. 10, 1912. 



The adult of this and the following have peculiar abdominal 

 coloration, resembling that of Liniatus and Phoniomyia; but 

 in these genera the lateral incisions are on the anterior angles 

 of the segments. The larvse occur in bamboo. 



Miamyia serrata Theobald. 



Dendromyia serrata Theobald, Mon. Culic, iv, 615, 1907. 

 Theobald gives a rough sketch of the genitalia which in no 

 way resembles the actual structures and reminds one of a gross 

 caricature. They are really very similar to those of codio- 

 campa, as I discover by a mount made from a specimen 

 kindly sent by Dr. Arthur Neiva, of Brazil. 



Genus DINOMYIA, new genus 



Type species : Dinomyia proviolans Dyar. 

 A single species is known in this genus. 



Dinomyia proviolans, new species (PI. V, fig. 1). 



Male. Clypeus and postnotum nude, dark brown, pruinose, 

 the latter with a group of setae posteriorly. Head with flat 

 blue-black scales, without white margin to the eyes, a patch 

 of silvery white scales on the sides low down. Prothoracic 

 lobes rather darkly violaceous ; mesonotum with dark brown 



