ANT GUESTS FROM FIJI AND THE BRITISH 

 SOLOMON ISLANDS. 



By William M. Mann, 



U. S. Department of Agriculture, Bureau of Entomology. 



The species hereafter described and noted were collected 

 by the writer during 1915-1916, during an eighteen months' 

 excursion to the South Seas as Sheldon Traveling Fellow of 

 Harvard University.* 



Orthoptera. (Family Gryllidae). 



Myrmecophila hebardi sp. nov. 



Female: Length 2.75-3 mm. 



Form elongate and rather more slender than usual in the genus 

 Hea.d brown, with a pair of yellow spots on the vertex. Thorax and 

 first two abdominal segments lemon yellow; pronotum with a broadly 

 interrupted fuscous band at middle; metanotum and first two abdom- 

 inal segments with narrow, entire, transverse fuscous bands at base; 

 remaining abdominal segments fuscous; the antennae, tips of ovipositor 

 and femora infuscated. Body and appendages with microscopic yellow 

 pubescence; cerci with long and coarse hairs; thorax and abdomen 

 above with scattered, squamiform hairs. Eyes flat, composed of 16-18 

 facets. Antennae distinctly longer than the body and very slender. 

 Pronotum slightly narrowed in front. Meso- and metanotum subequal 

 in length and together slightly shorter than the pronotum. Cerci 

 9-jointed, rather stout, with joints 2-3-4 distinctly broader than long. 

 Spines of posterior tibiae arranged as follows: On the dorso-extemal 

 margin at apical third, three spines, the basal of which is a little longer 

 than the third, but only half as long as the second; the dorso-intemal 

 margin with six spines, the basal, the third and the sixth much shorter 

 than the others; tips with a pair of short ventral spines. Metatarsus 

 with one stout spine. 



Host: Plagiolepis longipes Jerd. 



Described from a series taken with the host ant in the fol- 

 lowing localities: Fiji Islands, Somo Somo, Taviuni (type 

 locality), Lakeba, Munia and Kabara in the Lau Archipelago; 

 Saiaro, Viti Levu; Vunisea, Kadavu. Santa Cruz Archipelago: 

 Graciosa Bay. Solomon Islands: Pamua and Wainoni Bay, 

 San Cristoval. 



* The figures were drawn by R. S. McEwen. 



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