LOTZIA ALLOSTIGMA 471 



Dr. A. Lutz in Sao Paulo which agree Tvith Mexican specimens in every respect. 

 As, however, there is a wide intervening territory occupied by another species 

 it seems unlikely to us that the two forms are eonspecific. Theobald figures the 

 wing of a specimen from Par4, Brazil (Mon. Culic, iii, 156, fig. 84, 1903). In 

 this the first vein apparently has a third spot, like our species from Panama, 

 but otherwise the wing-pattern closely resembles that of Lutzia bigoti as here 

 restricted. The type of Lutzia bigoti was collected by Salle in Mexico, probably 

 at C6rdoba where this naturalist collected most of his material. 



LUTZIA ALLOSTIGMA, new species. 



Lutzia ligotii Dyar and Knab (in part), Journ. N. Y. Bnt. Soc, xiv, 180, 1906. 

 Lutzia tigotii Coquillett (in part), U. S. Dept. Agr. Bur. Ent., Tech. Ser. 11, 22, 1906. 

 Lutzia Mgotii Busck (not Bellardi), Smiths. Misc. Colls., quart, iss., Iii, 66, 1908. 

 Lutzia Mgotii Jennings (not Bellardi), Can. Ent., xli, 49, 1909. 



Desceiption of Female, Mai;e, and Labva op Lutzia aixostiqma: 



Female. — Proboscis moderate, uniform, subcylindrical, labellse conically 

 tapered ; largely yellowish-white scaled, intermixed with black scales at base, a 

 broad black subapieal band, labellse pale. Palpi short, stout, densely hairy, 

 nearly one-third as long as proboscis, clothed with black scales, a ring and the 

 apex yellowish-white scaled and some silvery scales apically. Antennae with 

 basal joints shorter, rugose, pilose, black, second joint longer than third and 

 not swollen, basal joints pale at their tips ; tori subspherical, with a cup-shaped 

 apical excavation, brown, with a group of yellowish- white scales on inner side ; 

 hairs of whorls sparse, short. Clypeus triangularly rounded, prominent, dull 

 brown, nude. Eyes black. Occiput brown, with a few shining, whitish, narrow 

 curved scales, most of vestiture of dense, erect forked, ochraceous scales extend- 

 ing well down the sides, margins of eyes and cheeks whitish scaled, a row of 

 shining yellowish hairs along margin of eyes and forming a short projecting 

 tuft at the vertex. 



Prothoracic lobes elliptical, remote dorsally, clothed with hair-like pale-yellow 

 scales and numerous pale bristles. Mesonotum brown dorsally shading to tes- 

 taceous on the sides, rather sparsely clothed with narrow, curved, golden-brown 

 and pale-golden scales, the pale scales forming a broad irregular lateral and 

 anterior margin, striae about the ante-scutellar space and a pair of discal dots; 

 short pale bristles dorsally and longer ones on sides ; anterior edge marked by 

 two narrow bare impressed lines which are faintly continued backward. Scu- 

 tellum trilobate, each lobe with a large tuft of bristles, and pale-golden narrow 

 scales. Postnotum elliptical, luteous, nude. Pleurae and coxae luteous, with 

 brown spots and patches of narrow scales, yellowish above, white below, and 

 rows of short brown bristles, a few black scales on coxae. 



Abdomen subcylindrical, truncated posteriorly, clothed dorsally vrith black 

 scales, each except the first segment with a large apical subquadrate yellowish- 

 white patch spreading out on poeterior margins of segments; last segment pale 

 scaled with a small discal black patch ; first segment with a patch of dark scales 

 and many pale hairs ; a row of large lateral oblique elongated basal segmental 

 white patches; venter yellowish scaled, each segment marked with a faint 

 V-shaped dark band, the point toward base of segment on medio-ventral line. 



Wings rather narrow, hyaline; petiole of second marginal cell shorter than its 

 cell, that of second posterior cell a little longer than its cell ; basal cross- vein 

 distant less than its own length from anterior cross- vein ; scales black and pale 

 yellow in patches, yellow as follows : three spots on costal vein, first very long, 

 third small and subapieal ; three spots on first vein, the first opposite the end of 

 first costal spot and much shorter, the second parallel to second spot of costa, the 

 third near apex of vein, longer than corresponding costal spot; a long spot on 



