However, these genera are distinguished as follows: Allelocoris lacks the
stylate eyes, the "genae" are long, nearly reaching apex of antennal segment I and anterolateral lobes of pronotum are expanded anteriorly.
The Diptera are divided into three suborders: Nematocera (small, delicate insects with long, multisegmented antennae), Brachycera (compact, robust flies with short,
stylate (pointed) antennae), and Cyclorrhapha (compact, robust flies with short, aristate (flagellum-like) antennae).
Wormlion adults are slender, almost hairless flies, with
stylate antennae, subpetiolate abdomen, and slender legs.
Eyes shortly stylate; ocelli distant from each other, the interocellar distance distinctly shorter than distance from ocellus to eye; labium not reaching anterior coxae.
STRUCTURE: Head: Very short, dorsum sub-horizontal, eyes shortly stylate, anterior part nearly vertical.
9 (10) Eyes slightly stylate. Interocellar distance longer than distance from ocellus to eye.
16 (17) Eyes weakly stylate. Labium reaching middle of mesosternum; T.
REVISED DIAGNOSIS: Recognized by the brownish black to black coloration of the body, the weakly to strongly stylate eyes, the strong alary sexual dimorphism, the ventrally directed hairs on the lateroventral surface of the claws, and the structure of the vesica in the male, particularly the field of spicules subtending the secondary gonopore.
STRUCTURE: Head: Vertical, very broad, eyes substylate to strongly stylate (Figs.
DISCUSSION: Although Eminoculus was named for its stylate eyes, we have updated the original diagnosis to accommodate the less conspicuously stylate condition found in E.
Eyes weakly stylate, posterior margin of eyes contiguous with anterior pronotal margin (Fig.