538 Dr. Rob. Lucas: Entomologie. Hymenoptera 1900. 
Cephidäe (Fam. LXXXIN). 
Auf d. westind. Inseln nicht vertreten. Ashmead (3) p. 365. 
Ashmead zählt in Smith’s Ins. of N.-Jersey etc. p. 600 folg. Gatt. auf: 
Arious trimac. Say, Janus flaviventr., Astatus pygm., Calamenta johnsoni Ashm., 
Cephus abbreviatus Say u. integer Nort. Abgebildet werden Insekten, Larven- 
gänge u.s.w. v. Aridus trimaculatus auf Taf. Fig. 283-5, v. A. pygmaeus 
Fig. 286. 
Cephides. Die Anzahl der Supraapicalsporen an den Htibien hat für die Unter- 
scheid. der Gatt. gross. system. Werth, bei Calamenta hat sie kein. Konow, 
Wien. Entom. Ztg. 19. Jhg. p. 104. . 
Cephus tabidus F. bei Fayüm häufig. Morice (5) p. 166. 
Superfamilia X. Tenthredinoidea. 
Ashmead theilt die hierhergehör. Fam. in den Proc. U. S. Nat. Mus. 
vol. XXIII No. 1206 p. 203—5 folgendermass. ein: 
Prothor. emarginate behind; middle lobe of mesonot. much longer than broad, 
not separat. from the scutell. by a deep fovea, cost. v. usually strongly 
thickened or clavate towards apex; cost. cell without an intercost. v.; 
scape of antenn. very short or globose. 2. 
Proth. subtrunc. behind; middle lobe of meson. not much longer than broad, 
a. separated from the scutell. by a deep fovea; costal nerv. tow. apex 
neither thickened nor clavate, the cub. orig. from the bas. nerv.; cost. cell 
usually with an intercost. v.; rarely without (Megalodontinae); scape of 
antenn. long or rather long. 
Head transv., the temples not very broad; 3rd joint of antenn. very 
long, 3 or 4x long. than the Jong scape; abd. subdepress., the ovi- 
pos. more or less exserted. Fam. LXXXIV Xyelidae. 
Head quadrate, the templ. very broad, 3rd j. of antenn. rarely much 
longer than the scape; abd. much depressed, the ovipos. hidden. 
Fam. LXXXV Lydidae. 
2. Basal nerv. in front-wings usually unit. w. the subcost. v. far from the 
orig. of the cubitus; basal plates of 1st abd. sgm. usually elosely united, 
rarely showing a slight med. emargination at apex; if deeply emarg., the 
sides of the abd. acutely margined, while the antenn. are clavate, U 
Bas. n. in fr.-wings usually unit. w. the subcost. very near its base; bas. 
plates of 1st abd. sgm. most frequently not united, medially slit or w. 
a wedge-shap. or broadly triang. emarg., sides of abd. rounded, never 
acutely margined. 
Front wings w. 2 cub. cells. 6. 
Front wings w. 1 cub. cell. 3. 
3. Front wings without a lanceolate cell. 5. 
Front wings with a lanceolate cell. 
Antennae 9—25-jointed. 4. 
Antennae 3-jointed. 
