■ Tachinids of Bertha Armyworm
Key to Tachinid Genera

This version of the key includes text only with links to the illustrated couplets for convenience. Click here to return to the home page of the illustrated key to the tachinid parasitoids of bertha armyworm.

1. Prosternum haired Go to 2
1'. Prosternum bare Go to 8
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2. Parafacial haired Go to 3
2'. Parafacial bare Go to 4
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3. Ocellar setae directed forward; katepisternum with two (rarely three) setae Winthemia R.-D.
3'. Ocellar setae directed backward; katepisternum with four or more setae Spallanzania R.-D.
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4. Eye densely haired Go to 5
4'. Eye not more than sparsely haired Go to 6
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5. Palpus yellow, facial ridge with erect setae on lower two-thirds or more Chetogena Rondani
5'. Palpus dark coloured, facial ridge with decumbent hairs on lower half or less Phryxe R.-D.
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6. Four katepisternal setae Lespesia R.-D.
6'. Three katepisternal setae Go to 7
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7. Wing vein M forming a right angle at bend; female with ovipositor unmodified, not sharp and pointed Exorista Meigen
7'. Wing vein M forming an obtuse angle at bend; female with piercing, stinger-like, ovipositor Blondelia R.-D.
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8. Parafacial with down-turned setae; eye bare Athrycia R.-D.
8'. Parafacial bare; eye haired Go to 9
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9. Male genitalia with basal projection of cerci short, bifid in ventral view; abdominal tergite 5 in female and syntergite 7+8 in male mostly reddish yellow; female with pedicel of antenna yellow Panzeria R.-D.
9'. Male genitalia with basal projection of cerci large, triangular, not bifid in ventral view; abdominal tergite 5 in female and syntergite 7+8 in male black except for silver highlights (pruinosity); female with pedicel of antenna black Eurithia R.-D.
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