96 BULLETIN" 85, UNITED STATES NATIONAL MUSEUM. 



parallel, apex square, with, sharp, black edge. Female. — Genital 

 segment almost as long as rest of abdomen, large and thick, rounded 

 caudad, and each valve produced into a short, slender, acute process, 

 the dorsal one distinctly longer than ventral. 



Described from one male and two females from Claremont, Cali- 

 fornia (C. F. Baker), and one female from Los Angeles, California 

 (Coquillett). 



Type in author's collection. 



TRIOZA MAGNOLI^ffi Ashmead. 



Figs. 199, 343, 390, 533. 



Psylla magnolix Ashmead '81: 224. 



Trioza magnolise Riley '83: 70. — Crawford '10a: 228. 



Allotrioza magnolise Crawford '11a: 445. 



Length of body (female) 2.9 mm.; (male) 2.1; length of forewiag 

 (female) 3.8 to 4; (male) 2 mm.; width of head 0.94. General color 

 greenish yellow; tips of antennae, tarsi, beak, black or brown. Body 

 large. 



Head large, nearly or fully as broad as thorax; vertex about twice 

 as broad as long, with a deep foveal or sulcate depression on each 

 side of median line, coarsely punctate. Genal cones two-thirds to 

 three-fourths as long as vertex, thick, divergent, subacute. Antennae 

 long and slender, twice as long as width of head or more. 



Tlaorax large, broad, not strongly arched, coarsely punctate; pro- 

 notum moderately long, depressed below head and prsescutum; 

 prsescutum distinctly longer than broad. Legs long; hind tibiae with 

 two large spines at apex within, and one on outer side. Forewings 

 large, about three times as long as broad, subacute at apex, trans- 

 parent; venation resembling that of Paratrioza arholensis somewhat. 



Genitalia. — Male. — ^Abdomen constricted just before genital seg- 

 ment; latter rather large; anal valve slightly longer than forceps, 

 caudal margin strongly arcuate, front margin nearly straight, narrow 

 at apex, pubescent. Forceps moderately broad, front margin bowed 

 forward, with a black, sharp apex, which is in line with the posterior 

 edge; caudal margin pubescent. Female. — Genital segment nearly 

 as long as rest of abdomen, valve subequal in length, acutely pointed, 

 pubescent. 



Described from many males and females from Crescent City, 

 Florida (H. G. Hubbard); Biscayne Bay, Florida (Schwarz), May 10; 

 Savannah, Georgia (Schv/arz), April 15, 1884; Billys Island and 

 Honey Island, Okefenoke Swamp, Georgia, June, 1912 (J. C. Bradley, 

 and others). 



This species according to Ashmead ('81:224) is a true gall-maker 

 on leaves of Magnolia glauca, the common bay magnolia of the 

 southern swamps. Ashmead describes the galls as being "quite 



