on each side; legs stout; wings grey, slightly brownish in
front, veins black, testaceous towards the base, praebrachial vein
forming an obtuse angle at its flexure, hardly curved inward from thence
to its tip, discal transverse vein very slightly undulating, parted by
much less than its length from the border and from the flexure of the
praebrachial; alulae whitish. Length of the body 4-1/2 lines; of the wings
8 lines.

86. EURYGASTER DECIPIENS, n. s. _Foem._ Nigra, aureo-tomentosa, capite
antico argenteo frontalibus atris, antennis ferrugineis, thorace vittis
quatuor nigris, abdomine fulvo subtessellato vitta basali nigra, pedibus
fulvis, alis cinereis.

_Female._ Black, stout, with gilded tomentum. Head silvery white in
front and beneath, frontalia deep black, widening slightly towards the
upright face, the bristles on each side hardly extending to the
facialia, epistoma not prominent; eyes bare; antennae ferruginous,
extending to the epistoma, third joint linear, somewhat truncated at the
tip, more than four times the length of the second joint, arista
slender, much longer than the third joint; thorax with numerous long
bristles, with four slight black stripes; pectus cinereous; abdomen
tawny, conical, not longer than the thorax, with short stout bristles,
and with three broad, slightly gilded, somewhat interrupted bands, a
short black stripe at the base; legs tawny, stout, tibiae darker than the
femora, tarsi piceous; wings grey, somewhat darker in front, veins
black, praebrachial vein forming a right angle at its flexure, near which
it is much curved inward, discal transverse vein nearly straight, parted
by more than half its length from the border, and by a little less than
its length from the flexure of the praebrachial; alulae slightly
cinereous. Length of the body 4 lines; of the wings 7 lines.

87. EURYGASTER PHASIOIDES, n. s. _Mas._ Nigra, cano-tomentosa, capite
albo frontalibus atris, antennis, scutello, abdomine femoribusque
fulvis, abdomine fasciis duabus posticis albidis vittaque nigra, alis
cinereis basi albis, costa plagaque nigricantibus.

_Male._ Black, with hoary tomentum. Head white, frontalia deep black,
widening towards the upright face, facialia with bristles along more
than half the length from the epistoma, which is not prominent; eyes
bare; palpi testaceous; antennae tawny, extending to the epistoma, third
joint linear, slightly rounded at the tip, more than four times the
length of the