Hymenoptera

1
Hymenoptera
2
Order Hymenoptera

• Complete metamorphosis, holometabolous

• Hind wings smaller than front wings

• Hind wings have a row of tiny hooks called
  hamuli, which is attached to a fold on the
  posterior edge of the front wing.

• Larvae are grublike or maggotlike, some larvae
  look very similar to Lepidoptera larvae, but have
  more than five pairs of prolegs and lack
  crochets.

• Females usually have an ovipositor that is
  modified into a stinger

3
List of Families to Know
4
Family Pteromalidae

• Pronotum is constricted anteriorly

• Head is usually larger or as large as thorax in
  width.

• Parasitic, biological control against many
  insect pests

5
(No Transcript)
6
Family Ichneumonidae

• Long antennae

• Females have a long ovipositor, sometimes longer
  than body

• Parasitoids, larvae feed on a single insect host

7
(No Transcript)
8
(No Transcript)
9
Family Tenthredinidae

• Often brightly colored

• Body shape is somewhat roundish and robust, fly
  like in appearance

• Larvae are caterpillar-like, but no crochets and
  more than five pairs of prolegs

• Larvae are herbivore pests

• Many adults are predaceous

10
(No Transcript)
11
(No Transcript)
12
(No Transcript)
13
(No Transcript)
14
(No Transcript)
15
scopa

• Labrium and maxillae form toungue like structure
  for lapping up liquid.

16
(No Transcript)
17
Worker bees fanning hive with wings
18

• Antennae elbowed

• nodes

• Gender controlled by queen, 2N females

19
1) Draw the hamuli of an Apidae.
2) Illustrate the differences of a Lepidoptera
larva and a Tenthredinidae larvae. Label
distinguishing features.
3) Illustrate the differences of Mutillidae and
Formicidae. Label distinguishing features.
4) Draw the pronotum of a Sphecidae.
5) Draw the head of a Vespidae showing the
notched inner margin of the eye.
6) Illustrate the differences in the head of a
bee and wasp.
20
(No Transcript)
21
(No Transcript)
22
(No Transcript)
23
(No Transcript)