50 H. C. EFFLATOUN. 



lighter in eoloiir. Legs with the blaekisli iiiarkings iuclined to l>e 

 less extensive. Squamulae white. 



Length from 12 12 to 14 12 mm. 



This species is liable to great variation both in size and shape 

 of the abdominal markings, and in Europe the female has a well 

 known variety ipuicolo?- "in which the abdominal marking.-; cntirely 

 disapi^ear." 



L. pyraslri seems to be extremely rare in Egypt and I niuch 

 suspect its having bcen imported from Syria, Italy, or Europe, as 

 ■the only two spécimens which hâve been recorded (and which I 

 hâve cxamined) bave both been captured in cultivated laiid wlierc 

 ])lants and trees bave bcen imported. 



The larva is said to ])e grcen with a puiplisli dcnsal stripc 

 and feeds ravenously on Ajjhids. It A\as l)i'od trom Ap/tif hras- 

 .s/ra, A'phis pruni and from an A i-h'is un Centuurea in Europe. 



This species is known to occui' in Europe, Canary Islands, Ma- 

 dcira, America and Western Asia. 



2. L. ALBOMACULATUS MAC<J (l'I. IV. li^ I ^ PI. 1, fij- 11) 



MAcy., J)ipt. l'.xot.. IJ. 2. 86. 1. t. XV. t. (i. {Si/rp/nis) (1842); 

 Ew., Dipterenf. Siidafr., î. 303. 8. {Sjfr/jhus) (1860); Mik., Wien. 

 Entom. Zeitg., VII. 222. 61 (Catabomlm) (1888); Veru., Brit. FI, 

 VIII., Catal. Syrph., 56. (Catahomba) (1901); Beck., Zeitschr. f. 

 System. Hymen, u. Dipt., VII. 243. Anmerk. {Catahomba) (1907); 

 Bez., Dipt. Syriaca et ^E^gypt., (21). 57. 92. (1909). 



Sy\ONYMY:—Ga?nella)ii RoNn., Ann. .\cc. Asp. Nat. Nap., 

 III. 157. (Lasiophticus) (184:5-4:6), Dipt. Prodr., II.139".6. {Lasioph- 

 tJiicim (1857) et Annal. Mus. Civ. Genova, IV. 295. (Lasiopfi ficus) 

 (1873); ScHiN., Verh. zool.-bot. Ges. Wien, VII. 339. 8. {Syrphm) 

 (1857), Fauna Austr., I. 301. 5. {Syrphus) (1862) et Nov. Reise, 

 Dipt., 351. 34. {Syrphus) (1868); Rœder, Wien, Entom. Zeitg., II. 

 94. (Cafabomba) (1883); Mik, Wien. Entom. Zeitg., VIL 222. 61. 

 {('atabomba) (1888) et IX. 295. {Catahomba) (1890); A. Costa, 

 Atti. R. Accad. Napoli, (2) V. No. 14, 24. 41. {Syrphus) (1893); 

 Ketel, Programm Pascwalk, 12 Observ. {Syrphus) (1903). 



DIAGXOSIS: — Yellow bauds on sides of thorax ])rcsent; 

 abdominal lunules wide, and those on the second and third segments 

 slightly arched with their inner ends always touching the 

 upper margins. 



