H. C. EFFLATOUN. 



M. ŒIUOIDES IIOND. 



Rond., Annal. Soc. lùitoni. Fr., (2). VIII. 211. (1850). 



^^^^ SYN0NY31Y:— Ceria F.\br., Syst. Entom., IV. 277. (1794), 

 {praecocc. ScoP., 1763). 



S'phecom.orpha Rond., Annal. Soc. Entom. Fr., (2). VIII. 212. 

 {S'phiximorfha) (1850). 



Sfhiximorpha Ronu., Dipterol. Prodr., I. 55.3. (185()). 



Spiximorpha Rond., Dipterol. Prodr., II. 12. (1857). 



Head rallier flattened, broader than the thorax with the face 

 almost straight in front, but desoending below the eyes and some- 

 what produced at the front mouth-edge. Eyes touching in the 

 maie, but well separatsd in the female. Antennse elongate and 

 sometimes placed on a more or less long pétiole or stalk ; the 

 first joint is long and slender but the second and third joints are 

 shorter, about equal in length and the two together are about as 

 long as the first joint ; thèse two joints form together an elongate 

 oval mass, and the third joint bears a terminal style. 



Thorax rather elongate, quadrangular, rather thinly rugose, 

 and always possessing yellow spots. Scutellum semicircular, more 

 or less yellow. 



Abdomen elongate, cylindrical, contraetod, more or less wasp- 

 shaped at the base, and bearing yellow bands or markings. Legs 

 modérât oly strong with the femora somcwhat thickened and the 

 tibiae sometimes subclavate. 



Wings with a distinctivc and pcculiar vénal ion ; Radius 4 + 5 

 lias a deep loop about the middle of c-cll R5 at the b'ottom of 

 wliieh loop arises a veinlet dcseending about half way or less 

 across ocU R5; radio-niedian cross-vein possesscs the costal border 

 as far as the vcna si)uria daikened and also a darkened border 

 a long Cubitus 2. 



The larva according to Dufour, who bas described and figu- 

 red it (as well as the pupa) (Ann. Soc. Ent. France, 2 V., 19, PI. I, 

 t. 1-6. 1847) lives in the sap of diseased trees such as Elms 

 (Ulmus). Schiner also states that he bas bred an European species 

 C. cotiopsoides{ ?) from decaying poplars (Popiiiiis). 



