308 FAMILY X. — pselaphid.t;. 



Subfamilj^ II. PSELAPHlNAE. 



In this subfamily the abdominal segments are all separate and 

 the antenna? have 11 (10 in certain species of Bnjn.ris) joints. 

 Three tribes comprise the subfamily, all of, which are represented 

 in the State. 



KEY TO TEIBES OF PSELAPHIN^. 



a. Antenrue approximate at base, Inserted beueath prominent horizontal 

 contiguous tubercles. Tribe I. Pselaphixi, p. 308. 



00. Antennfe distant, ini?erted on the sides of the head beneath short, de- 

 flexed tubercles. 

 6. Hind coxae widely separated, transvcrM'. not prominent. 



Tribe II. Bkachyglutiki. p. yi.j. 

 66. Hind coxffi approximate or contiguous, conical and prominent. 



Tribe III. Euplectini, p. .'US. 



Tribe I. PSELAPHIXI. 



Our species of this tribe are ahvays narrowed in front, much 

 broader l)(4und and have tlie abdomen strongly margined and the 

 hind coxa' -widely separated. The following genera are probably 

 represented in the State : 



key to INDIAN.V GENEKA OF PSELAPHINI. 



a. Tarsi with two e(iual claws. 



6. AntenniB moniliform or bead-lilvC, without a distinct club. 



c. Maxillary palpi very small, the basal joints hidden, the last two 



united to form a globular club. CHE>;>fiT'M. 



ee. Maxillary ])alpi with the last two ioints very transverse, fusiform 



and compressed. III. Ceophyllus. 



66. Antennae elavate, the last joint usually gradually larger. 



(I. Last three joints of maxillary palpi bearing bristle-like appendages 

 on the sides. 



e. Appendages of last three joints of maxillary palpi short, the 



joints triangular; abdomen carinate. IV. Tmesiphobis. 



ce. Appendages very long, the last three joints oval-transverse. 



V. PiLOPIUS. 



fhl. Maxillary palpi without appenda^res on the sides. 



f. Last two joints of maxillary palpi lunate, or half-moon shaped, 



the terminal one linger. VI. Cedius. 



ff. Last two joints noi lunate. 



g. Last three joints nt antenn;t' forming a club; last joint of max- 

 illary palpi elongate and with a terminal bristle. 



A'll. Tyrfs. 



yg. Last joint of antenna-' very large, rounded ; last joint of palpi 



cylindrical, rouiiilert at tip. VIII. Hamott'S. 



