1' I r 32 

 393. 



PHYTOMYZA LATERALIS. 



Order Diptera. Fam. Muscidae. 



Type of the Genus, Phytomyza lateralis Fall. 

 Phytomyza Fall., Meig., Curt. 



Antennce porrected, drooping, inserted in a cavity in front of the 

 face, rather small and short j 5-jointed, basal joint small, 2nd 

 somewhat bowl-shaped, producing a few bristles, 3rd large com- 

 pressed, pubescent, suborbicular, slightly emarginate above, 

 where the 4th joint is attached, which is very minute, 5th long, 

 setiform and pubescent (3). 



Proboscis inserted at the lower part of the face. Labrum short 

 and broad, attenuated towards the apex. Mandibles, Tongue and 

 MaxiUcB undiscovered. Palpi rather large clavate and pilose (/). 

 Lip large and clavate [g). 

 Head somewhat vertical, broad and rather short, pilose. Eyes lateral, 

 remote, oval. Ocelli 3, mmw^e, (2, the head in profile; 2* front 

 view of same). Thorax somewhat globose. Scutellum subtrigonate, 

 rounded. Abdomen 7 -jointed in the female, ovate-conic, tapering to 

 the apex which is furnished with a retractile tubular ovipositor. 

 Wings incumbent, longer than the body, rather broad and ovate, iri- 

 descent, ciliated, subcostal nervure very short, 2nd and 3rd not reach- 

 ing the apex, united near the base, 4th passing along the centre, 5th 

 remote, the three last united near the base by a transverse nervure (9) . 

 Halteres clavate. Legs nearly of equal length, slender. Tarsi 5- 

 jointed, basal joint the longest. Claws minute. 



Lateralis Meig. v. 6. p. 190. n. 3. — Curt. Guide, Gen. 1348. w. 3. 

 Silky cinereous. Head and antennae black ; lip and face yellow : 

 eyes with a reddish tinge when alive, entirely black when dead ; 

 several black bristles on the crown of the head and a row down 

 each side of the face. Thorax with the pleurae yellow, 6 longi- 

 tudinal rows of strong black bristles and several of smaller ones 

 between them. Abdomen black shining and pilose, a broad mar- 

 gin on each side beneath and the anterior edges of the segments 

 yellow, that of the 6th being the broadest. Wings yellow at the 

 base, nervures brown, the central one very faint. Halteres yellow. 

 Legs black, tips of the thighs yellow. 



In the Cabinet of the Author. 



