240 
Psyche 
[Vol. 89 
Mallada macleodi sp. nov. 
Description. Head narrow, pale green, eyes large, antennae 
unmarked; genae with a shiny narrow black band from margin of 
eye, extending to anterior lateral edges of clypeus; labrum black 
posterolaterally, green medially (Fig. 3); palpi blackish throughout; 
frons raised anteriorly; face with scattered setae, some longer anteri- 
orly on clypeus. 
Thorax pale green, pronotum with two anterolateral brown 
patches; setae whitish. Legs green, pretarsal claws deeply excised. 
Abdomen green, setation normal, microtholi absent. 
Male terminalia (Fig. 2). Sternites VIII+IX fused, elongate; dor- 
sal apodeme long, prominent; ventral apodeme absent. Genitalia 
(Fig. 1) with broad transverse tignum; gonarcus expanded laterally, 
rectangular dorsally; entoprocessus prominent, expanded ventro- 
medially; arcessus broadly continuous with dorsum of gonarcus, 
sclerotised proximally, produced caudad and slightly down-curved, 
apex bluntly pointed; gonosaccus rudimentary, with only a few 
small straight gonosetae positioned between the ventromedial ex- 
pansions of the entoprocessus; gonapsis (Figs. 9, 10) three-pronged, 
with lateral wings narrow, the caudal process dorsoventrally expan- 
sive proximally and tapering as an acuminate downcurved hook, 
broad internal saccus terminates in a vertical lobe; gonocristae 
sparse and only minutely developed on hypovalva. 
Female terminalia. Subgenitale membranous proximally, with 
many microthecae; apical lobe notched; transverse callus prom- 
inent, with an ental excavation but not a cavity. Spermatheca (Fig. 
4) pillbox-shaped; vela tubular, conspicuously bent toward sperma- 
thecal bulb. 
Wings. Pterostigmata prominently marked, brownish. Venation 
narrowly margined with brownish amber, especially in forewing, 
gradates of forewing dark, of hind wing amber. Many crossveins of 
forewing dark; costals all dark, male with 19 (22.7) 26, female with 
Fig. 1-4, Mallada macleodi: 1, dorsal aspect of male genitalia (Ontario); 2, same, 
terminalia with structures everted; 3, labrum and mandibles, female, Ontario; 4, same 
as 3, spermatheca. Fig. 5-8. Mallada perfectus: 5, dorsal aspect of genitalia; 
British Columbia; 6, same as 5, male terminalia with structures everted; 7, labrum 
and mandibles, female, British Columbia; 8, same as 7, spermatheca. Scale is for 
genitalia and spermathecae. 
